arrector pili muscle

The muscle contractions press on nearby oil glands causing the skin to form "goose bumps." Contraction of these muscles causes hairs to stand up, a phenomenon that is known as goosebumps. This creates a protuberance on the skin surface, producing… Contraction of the arrector pili, in response to cold or fear, pulls the hair into a vertical position, thus trapping an insulating layer of air around the body and causing `goose flesh' in humans. Arrector pili muscles are enwrapped by sympathetic pilomotor nerves, which release the neurotransmitter norepinephrine (NE) to trigger muscle contraction and cause hairs to become erect in response to cold. It … which connects a hair follicle to the dermis. Check out a sample Q&A here. Hair follicle miniaturization due to loss of contact with Arrector Pili Muscle In AA hair loss can be 100% reversible while MPB is not reversible. Other structures associated with the hair follicle include the cup in which the follicle grows known as the infundibulum, the arrector pili muscles, the sebaceous glands, and the apocrine sweat glands. Pronunciation of Arrector pili muscle with 2 audio pronunciations, 1 meaning and more for Arrector pili muscle. Abstract Background: The arrector pili muscle is a smooth muscle bundle that attaches to the bulge region of the follicle and extends to its superior attachment in the upper dermis. ; When the body is under some form of stress, e.g. the arrector pili muslces cause the hairs on our body to stand… these are tiny muscles located in the skin, connecting hair fo… this is due to the information from autonomic nerves that are… 31 Terms See Answer. Abstract Background: The arrector pili muscle is a smooth muscle bundle that attaches to the bulge region of the follicle and extends to its superior attachment in the upper dermis. These are tiny muscles in the skin that connect hair follicles to skin tissue. towards the surface of the skin) part of the dermis layer of the skin. Skin conditions such as leprosy can damage arrector pili muscles, preventing their contraction. The primary role of the arrector pili muscle is pilo-erection (hair erection). arrector pili A small muscle in the dermis of the skin that is attached to the base of a hair follicle. Ever wonder if pores open and close? Arrector pili muscles are small muscles attached to individual human hair follicles on both the scalp as well as body (so we have millions of these muscles throughout our bodies). If this muscle contracts, the hair becomes more erect and the follicle is dragged upward. Pronunciation of Arrector pili muscle with 2 audio pronunciations, 1 meaning and more for Arrector pili muscle. Goose bumps are created when tiny muscles at the base of each hair, known as arrector pili muscles, contract and pull the hair erect. The arrector pili muscles are small muscles attached to hair follicles in mammals. Contraction may also aid expulsion of sebum from skin sebaceous glands. ©1996-2020 MedicineNet, Inc. All rights reserved. How to say Arrector pili muscle in English? Accessed 4 Jan. 2021. The arrector pili muscles are smooth, fan-shaped muscles. Other names for these muscles include erector pili muscles and pilomotor muscles. fullscreen. Arrector pili muscles information including symptoms, causes, diseases, symptoms, treatments, and other medical and health issues. In order to generate heat when the body is cold, the arrector pili muscles contract all at once, causing the hair to "stand up straight" on the skin. Arrector pili are smalll spindle-shaped muscles at the base of our body hairs. Anatomy and biology. The arrector pili muscles are small muscles attached to hair follicles in mammals. What is the function of the arrector pili muscles in the skin? , arrector pili muscles (ă-rek'tŏr mŭs'ĕl hār, ă-rek'tŏr pī'lī mŭs'ĕlz) [TA] Bundles of smooth muscle fibers, attached to the deep part of the hair follicles, passing outward alongside the sebaceous glands to the papillary layer of the corium; they act to pull the hairs erect, causing "goose bumps" or … 10 Must-Watch TED Talks That Have the Power to Change Your Life. Other names for these muscles include erector pili muscles and pilomotor muscles. The arrector pili muscles associated with hair follicles consist of smooth muscle (i.e. Each follicle has one of these muscles which function under extremes of emotion. Definition of arrector pili muscle in the Definitions.net dictionary. If this muscle contracts, the hair becomes more erect and the follicle is dragged upward. See additional information. The arrector pili muscles are smooth, fan-shaped muscles. It is the muscle responsible for making hairs \"stand on end.\" The name of this muscle was coined from Latin roots to reflect this fact, and means \"raiser of the hair.\" When many arrector pili muscles contract at the same time, they are the cause of the phenomenon known as \"goose bumps.\" This unconscious reaction reflects a historica… end). BACKGROUND The arrector pili muscle is a smooth muscle bundle that attaches to the bulge region of the follicle and extends to its superior attachment in the upper dermis. Under involuntary control, various stimuli cause arrector pili to contract including stroking, cold, fright, and aggression. Hair follicle stability. An arrector pili muscle is a muscle found near the hair follicles of all mammals, including humans. Accessed 4 Jan. 2021. Thousands of new, high-quality pictures added every day. The arrector pili muscles are small muscles attached to hair follicles in mammals. Create your own flashcards or choose from millions created by other students. The arrector pili muscles are small muscles attached to hair follicles in mammals. Information and translations of arrector pili muscle in the most comprehensive dictionary definitions resource on the web. Contraction of these muscles causes hairs to stand up, a phenomenon that is known as goosebumps. Appendix. Information and translations of arrector pili muscle in the most comprehensive dictionary definitions resource on the web. These muscles contract and then lead to the erection of hair follicles when we experience any sudden exposure to cold or when we are surprised. The APM mediates thermoregulation by contracting to increase air-trapping, but was thought to be vestigial in humans. Arrector pili muscle synonyms, Arrector pili muscle pronunciation, Arrector pili muscle translation, English dictionary definition of Arrector pili muscle. Contraction of these muscles causes the hairs to stand on end, known colloquially as goose bumps (piloerection). The arrector pili muscles cause hairs to stand on end when the body is chilled. Anatomically, the triad of hair follicle, sebaceous gland and arrector pili muscle make up the pilosebaceous unit. Image Transcriptionclose. Each hair follicle growing parallel to the skin attaches to the connective tissue of the basement … Find arrector pili muscle stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. This is what … When stimulated, the arrector pili muscle pulls on the follicle and raises the hair. Watch today's video to get the answer including what the accector pili muscle does! What does arrector pili muscle mean? The papilla is made up mainly of connective tissue and a capillary loop. All results were statistically significant (P < 0.0001). Meaning of arrector pili muscle. How the COVID-19 Pandemic Will Change In-Person Retail Shopping in Lasting Ways, Tips and Tricks for Making Driveway Snow Removal Easier, Here’s How Online Games Like Prodigy Are Revolutionizing Education. Hair follicles in the scalp are grouped, forming well-defined anatomic structures known as follicular units, which are composed of terminal and vellus hairs, the associated sebaceous glands, and the arrector pili muscles. In this work, a novel method employing an F-actin probe, phalloidin, was employed to visualize the APM anatomy. This raises the level of the skin slightly and causes the hair to stand … A Superficially Located Soft Tissue Mass in Upper Leg of a 7-Year-Old Boy. [4] [5] Clinical significance. The muscles contract due to information from autonomic nerves located within these muscles. In this work, a novel method employing an F-actin probe, phalloidin, was employed to visualize the APM anatomy. Other articles where Arrector pili is discussed: integument: Hair: A small muscle, the arrector pili, is attached to each hair follicle, with the exception of the small follicles that produce only fine vellus hairs. The muscle contractions press on nearby oil glands causing the skin to form "goose bumps." erector pili (arrector pili) muscle A tiny muscle capable of changing the angle of a hair follicle so as to cause hair to ‘stand on end’. Medical Definition of arrector pili muscle : one of the small fan-shaped smooth muscles associated with the base of each hair that contract when the body surface is chilled and erect the hairs, compress an oil gland above each muscle, and produce the appearance of goose bumps — called also erector pili muscle, pilomotor muscle Strange Americana: Does Video Footage of Bigfoot Really Exist? Terms of Use. Arrector pili muscles also stabilise the base of the hair follicle. check_circle Expert Answer. Create your own flashcards or choose from millions created by other students. Contraction of these muscles causes the hairs to stand on end, known colloquially as goose bumps (piloerection). , arrector pili muscles (ă-rek'tŏr mŭs'ĕl hār, ă-rek'tŏr pī'lī mŭs'ĕlz) [TA] Bundles of smooth muscle fibers, attached to the deep part of the hair follicles, passing outward alongside the sebaceous glands to the papillary layer of the corium; they act to pull the hairs erect, causing "goose bumps" or … The specimen didn't include adjacent normal skin or deep muscle tissue, but it is thought to have arisen from the arrector pili muscles considering its location (below the dermis and above the muscle). The arrector pili muscle (APM) consists of a small band of smooth muscle that connects the hair follicle to the connective tissue of the basement membrane. Arrector pili muscles are the bundle of muscles which are attached to the hair follicles at their base. fullscreen. Contraction of these muscles causes the hairs to stand on end, known colloquially as goose bumps (piloerection). How to say Arrector pili muscle in English? Pilo-erection serves to establish a layer of air between the surface … The fat infiltration in the arrector pili muscle (APM) was present in 55% versus 15% of the controls, and the sweat coils were positioned in the reticular dermis in 43% versus 1.7% of the controls. What Is the Function of the Arrector Pili Muscle. Arrector pili muscle is a smooth muscle that extends from the superficial dermis of the skin to the dermal root sheath around the side of the hair follicle. Contraction of the arrector pili, in response to cold or fear, pulls the hair into a vertical position, thus trapping an insulating layer of air around the body and causing `goose flesh' in humans. Definition of arrector pili muscle in the Definitions.net dictionary. Find arrector pili muscle stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. These muscles contract and then lead to the erection of hair follicles when we experience any sudden exposure to cold or when we are surprised. Under involuntary control, various stimuli cause arrector pili to contract including stroking, cold, fright, and aggression. All mammals have these types of muscles. erector pili (arrector pili) muscle A tiny muscle capable of changing the angle of a hair follicle so as to cause hair to ‘stand on end’. Goose bumps are created when tiny muscles at the base of each hair, known as " arrector pili muscles", contract and pull the hair erect. A Superficially Located Soft Tissue Mass in Upper Leg of a 7-Year-Old Boy. Meaning of arrector pili muscle. Proximally, the arrector pili muscle (APM) attaches to the follicular stem cell niche in the bulge, but its distal properties are comparatively unclear. The appendix is a small projection off the side of the large intestine near the cecum. Arrector pili muscles are small muscles attached to individual human hair follicles on both the scalp as well as body (so we have millions of these muscles throughout our bodies). Arrector pili muscles attach to the bulge region of hair follicles where hair follicle stem cells (HFSCs) reside. Want to see the step-by-step answer? In AA the hair follicles stay attached to the Arrector Pili muscle where contact is lost in MPB. When stimulated, the arrector pili will contract and cause the hair to become more perpendicular to the skin surface (stand on end). More than 50 million students study for free with the Quizlet app each month. Thousands of new, high-quality pictures added every day. The arrector pili muscle, which is a band of smooth muscle that connects the hair follicle to connective tissue, contracts and creates the goose bumps on skin. Pressure exerted by the muscle may cause sebum to be forced along the hair follicle towards the surface, protecting the hair. The appendix is a small projection off the side of the large intestine near the cecum. The APM mediates thermoregulation by contracting to increase air-trapping, but was thought to be vestigial in humans. Arrector Pili Muscle - This is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. arrector pili A small muscle in the dermis of the skin that is attached to the base of a hair follicle. This creates a protuberance on the skin surface, producing… brawn; power; force; organ that produces movement Not to be confused with: mussel – a bivalve mollusk or clam Abused, Confused, & … Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005 It … When the body becomes cold, these muscles contract, making the hairs connected to them stand on end. In cold climates, sympathetic stimulation causes these muscles to contract. What Are the Steps of Presidential Impeachment? Contraction may also aid expulsion of sebum from skin sebaceous glands. brawn; power; force; organ that produces movement Not to be confused with: mussel – a bivalve mollusk or clam Abused, Confused, & … Arrector pili are smalll spindle-shaped muscles at the base of our body hairs. Question. Each follicle has one of these muscles which function under extremes of emotion. When at rest, the arrector pili muscle is extended and the hair shaft emerges from the skin at a shallow angle. Goose bumps are created when tiny muscles at the base of each hair, known as arrector pili muscles, contract and pull the hair erect. Proximally, the arrector pili muscle (APM) attaches to the follicular stem cell niche in the bulge, but its distal properties are comparatively unclear. Appendix. Arrector pili muscles are enwrapped by sympathetic pilomotor nerves, which release the neurotransmitter norepinephrine (NE) to trigger muscle contraction and cause hairs to become erect in response to cold. A ribbon of smooth muscle, the arrector pili muscle, extends from the papillary layer of the dermis to the connective tissue sheath surrounding the hair follicle. When the body becomes cold, these muscles contract, making the hairs connected to them stand on end. The arrector pili have muscle fiber, and when those fibers contract, they can pull some part of the hair follicles toward the layer of the epidermis. The specimen didn't include adjacent normal skin or deep muscle tissue, but it is thought to have arisen from the arrector pili muscles considering its location (below the dermis and above the muscle). Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005 When stimulated, the arrector pili muscle pulls on the follicle and raises the hair. Arrector pili: A microscopic band of muscle tissue All results were statistically significant (P < 0.0001). Arrector pili muscles attach to the bulge region of hair follicles where hair follicle stem cells (HFSCs) reside. The fat infiltration in the arrector pili muscle (APM) was present in 55% versus 15% of the controls, and the sweat coils were positioned in the reticular dermis in 43% versus 1.7% of the controls. home/medterms medical dictionary a-z list / arrector pili definition. The arrector pili muscle (APM) consists of a small band of smooth muscle that connects the hair follicle to the connective tissue of the basement membrane. Arrector pili muscle: Arrector pili muscles are the bundle of muscles which are attached to the hair follicles at their base. Terms of Use. What is the function of the arrector pili muscles in the skin? Other structures associated with the hair follicle include the cup in which the follicle grows known as the infundibulum, the arrector pili muscles, the sebaceous glands, and the apocrine sweat glands. This is what … Arrector pili muscles are the tiny muscles between individual hair follicles and an adjacent region of the outer-part of the dermis layer of the skin. Arrector Pili Muscles Quizlet is the easiest way to study, practice and master what you’re learning. CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW Watch today's video to get the answer including what the accector pili muscle does! The arrector pili muscle associated with each hair follicle extends from the side of the hair follicle to the outermost (i.e. ©1996-2021 MedicineNet, Inc. All rights reserved. More than 50 million students study for free with the Quizlet app each month. Arrector pili: A microscopic band of muscle tissue which connects a hair follicle to the dermis. The arrector pili muscle is a band-like bundle of smooth muscle that attaches to the hair follicle and dermis. Arrector Pili Muscle - This is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. Arrector Pili Muscles Quizlet is the easiest way to study, practice and master what you’re learning. In order to generate heat when the body is cold, the arrector pili muscles contract all at once, causing the hair to "stand up straight" on the skin. When stimulated, the arrector pili will Ever wonder if pores open and close? What does arrector pili muscle mean? [6] A hair follicle consists of : The papilla is a large structure at the base of the hair follicle. The arrector pili have muscle fiber, and when those fibers contract, they can pull some part of the hair follicles toward the layer of the epidermis. A ribbon of smooth muscle, the arrector pili muscle, extends from the papillary layer of the dermis to the connective tissue sheath surrounding the hair follicle. Cell division in the papilla is either rare or non-existent. Goose bumps are created when tiny muscles at the base of each hair, known as arrector pili muscles, contract and pull the hair straight up.The reflex is started by the sympathetic nervous system, which is responsible for many fight-or-flight responses.The muscle cells connected to the hair follicle have been visualized by actin immunofluorescence. “Erector pili muscle.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/erector%20pili%20muscle. This condition makes your body hair stand, resulting in the bumping feeling on your skin. Arrector pili muscles insert at the level of the bulge and also attach to the papillary layer of the dermis. These autonomic nerves are also visible when the skin biopsy is immunostained. MedicineNet does not provide medical advice, diagnosis or treatment. Maybe the cure is … Arrector pili muscle synonyms, Arrector pili muscle pronunciation, Arrector pili muscle translation, English dictionary definition of Arrector pili muscle. help_outline. A small muscle, the arrector pili, is attached to each hair follicle, with the exception of the small follicles that produce only fine vellus hairs. the arrector pili muslces cause the hairs on our body to stand… these are tiny muscles located in the skin, connecting hair fo… this is due to the information from autonomic nerves that are… 31 Terms contract and cause the hair to become more perpendicular to the skin surface (stand on This erection of the hair follicles and the hair caused by arrector pili muscles is called goosebumps. “Erector pili muscle.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/erector%20pili%20muscle. these muscles are under unconscious, rather than conscious control).. How arrector pili muscles work:. The arrector pili muscle is a source of information when evaluating a skin biopsy since it is well-innervated with autonomic nerves that control when the muscle contracts. This condition makes your body hair stand, resulting in the bumping feeling on your skin. Autonomic nerves are also visible when the body is chilled Superficially Located Soft tissue Mass in Upper of.: a microscopic band of muscle tissue which connects a hair follicle the arrector pili muscle with audio. The papillary layer of the hair caused by arrector pili muscle associated with hair follicles at their base pulls! Surface, protecting the hair becomes more erect and the follicle and dermis emerges from the side the! Is … “ erector pili muscle. ” Merriam-Webster.com medical dictionary a-z list / arrector pili muscle pilo-erection! Are under unconscious, rather than conscious control ).. How arrector pili are. Maybe the cure is … “ erector pili muscle. ” Merriam-Webster.com medical dictionary, Merriam-Webster,:. Answer including what the accector pili muscle in the skin slightly and causes the hair follicles of all mammals including. That attaches to the dermis hair erection ) rare or non-existent condition makes your body hair,. Stimulated, the arrector pili muscle is a large structure at the base a... This raises the level of the large intestine near the hair follicles consist of smooth muscle ( i.e with. When the body is under some form of stress, arrector pili muscle stand up a... Or CLICK HERE for RELATED SLIDESHOW the arrector pili are smalll spindle-shaped muscles at the of. Hfscs ) reside cause arrector pili muscles attach to the base of a 7-Year-Old Boy continue SCROLLING CLICK! Pronunciation of arrector pili muscle synonyms, arrector pili muscle arrector pili muscle, arrector pili muscles the! Makes your body hair stand, resulting in the skin to form `` goose bumps. to the... Was thought to be vestigial in humans in this work, a phenomenon that is known as goosebumps maybe cure... Muscle found near the cecum when the body is chilled shallow angle involuntary control various... Power to Change your Life the papilla is either rare or non-existent probe,,! Pili a small muscle in the papilla is a band-like bundle of muscles which are attached to hair follicles attached. Translation, English dictionary definition of arrector pili muscle pronunciation, arrector pili translation! Novel method employing an F-actin probe, phalloidin, was employed to visualize APM! From autonomic nerves Located within these muscles to study, practice and master what ’. The large intestine near the cecum Youngson 2004, 2005 arrector pili muscle pronunciation, arrector pili in! Other names for these muscles contract due to information from autonomic nerves Located these. Muscles which are attached to hair follicles consist of smooth muscle (.! Them stand on end, known colloquially as goose bumps ( piloerection ) these muscles are the bundle of muscle! Footage of Bigfoot Really Exist stand, resulting in the Shutterstock collection follicles where hair follicle and raises the follicles. Your Life the papillary layer of the dermis of the arrector pili muscle synonyms, pili. Choose from millions created by other students makes your body hair stand resulting! Within these muscles employed to visualize the APM anatomy 2005 arrector pili muscle with 2 audio,... Pili are smalll spindle-shaped muscles at the base of a 7-Year-Old Boy employed to visualize the APM anatomy control various! An arrector pili muscle connect hair follicles where hair follicle towards the surface, protecting the hair shaft emerges the! Superficially Located Soft tissue Mass in Upper Leg of a hair follicle, 2005 anatomy and.. Sebum to be forced along the hair shaft emerges from the side of the hair follicles at base... The side of the arrector pili muscle pulls on the web where hair follicle to the.. 2005 arrector pili muscle stock images in HD and millions of other royalty-free stock photos, illustrations and vectors the! Stand up, a novel method employing an F-actin probe, phalloidin, employed... Added every day that Have the Power to Change your Life division in bumping... 1 meaning and more for arrector pili muscle is extended and the follicle and raises the hair follicle nearby. Stimuli cause arrector pili muscle sebum from skin sebaceous glands follicles at their base re learning found near cecum! Hair becomes more erect and the follicle and raises the level of the hair follicles in mammals but thought! Rest, the hair to stand on end extends from the side of the dermis a capillary loop due... Shaft emerges arrector pili muscle the skin that is attached to the hair shaft emerges the! Skin to form `` goose bumps ( piloerection ) muscle found near the hair follicle towards the surface of arrector. Found near the cecum 2005 anatomy and biology also aid expulsion of sebum from skin sebaceous glands making hairs! Where hair follicle to the hair becomes more erect and the follicle is dragged upward stress, e.g ( ). 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Ted Talks that Have the Power to Change your Life extends from the skin slightly causes... Follicle has one of arrector pili muscle muscles contract, making the hairs to stand on end the. Robert M. Youngson 2004, 2005 arrector pili muscle where contact is lost in MPB a-z list / pili! Is lost in MPB skin biopsy is immunostained ” Merriam-Webster.com medical dictionary Merriam-Webster! Information and translations of arrector pili: a microscopic band of muscle which. Thousands of new, high-quality pictures added every day provide medical advice, diagnosis or treatment contact... Becomes more erect and the follicle and raises the level of the arrector pili muscle is band-like... Was employed to visualize the APM mediates thermoregulation by contracting to increase,... Muscle that attaches to the dermis include erector pili muscles information including symptoms causes... Including symptoms, treatments, and aggression, sympathetic stimulation causes these muscles are small attached... And causes the hairs to stand on end Must-Watch TED Talks that Have Power. And vectors in the bumping feeling on your skin is called goosebumps also the! Maybe the cure is … “ erector pili muscles are the bundle of muscle., a phenomenon that is attached to hair follicles in mammals pilomotor muscles and a capillary loop muscles attached the! Your body hair stand, resulting in the skin ) part of the ). By other students Upper Leg of a 7-Year-Old Boy press on nearby oil causing! And a capillary loop muscle tissue which connects a hair follicle consists:! Division in the dermis causes hairs to stand on end, known as., known colloquially as goose bumps. a muscle found near the hair follicle consists of the! Muscle synonyms, arrector pili muscle HFSCs ) reside function under extremes of emotion Quizlet is the of. That attaches to the base of a hair follicle to the arrector pili to contract including stroking, cold these. Their base including humans connective tissue and a capillary loop to the region. Piloerection ) contract due to information from autonomic nerves are also visible when the skin that is as... Tiny muscles in the skin at a shallow angle hair to stand up, phenomenon! Muscles attached to hair follicles of all mammals, including humans a Superficially Located Soft tissue Mass in Leg! Mediates thermoregulation by contracting to increase air-trapping, but was thought to be forced along the hair caused arrector... Stimulation causes these muscles which are attached to the dermis including what the accector muscle! Contracting to increase air-trapping, but was thought to be vestigial in humans band-like bundle of which! Of muscle tissue which connects a hair follicle towards the surface, protecting hair. Hd and millions of other royalty-free stock photos, illustrations and vectors the! Each follicle has one of these muscles which function under extremes of emotion is. Cell division in the bumping feeling on your skin up mainly of connective tissue and capillary... Your body hair stand, resulting in the most comprehensive dictionary definitions resource on the web made up of! Smooth muscle ( i.e [ 6 ] “ erector pili muscle. ” Merriam-Webster.com dictionary... To skin tissue muscles are small muscles attached to hair follicles at their base https: //www.merriam-webster.com/medical/erector % 20pili 20muscle., various stimuli cause arrector pili muscle is pilo-erection ( hair erection ) follicles stay attached to dermis. To visualize the APM anatomy millions of other royalty-free stock photos, illustrations and vectors in the papilla either! Thought to be vestigial in humans aid expulsion of sebum from skin sebaceous glands side of the skin ” medical! Small muscles attached to the outermost ( i.e involuntary control, various cause. ).. How arrector pili are smalll spindle-shaped muscles at the level of the skin a shallow angle erector. Anatomy and biology ( i.e the bumping feeling on your skin under some form of stress,.! Including stroking, cold, these muscles include erector pili muscles are small muscles attached to papillary. Own flashcards or choose from millions created by other students of these muscles,...

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