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[DOC File]CHAPTER 5 INTEGUMENTARY
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epithelium from hair follicle and sweat glands usually takes 2 - 3 weeks to heal and may result in some scarring. 2nd degree burns are critical if > 30 % of surface area is burned. 3rd degree - epidermis, dermis, hair follicles, sweat glands, pain receptors, subcutaneous layer all destroyed
accuracy of hair drug testing

[DOC File]Chapter 5: The Integumentary System
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5) Root and bulb are also surrounded by a hair follicle. a) 2 layers. i) Inner root sheath. ii) Outer root sheath. b) Surrounded by a connective tissue sheath. 6) The bulb is surrounded by touch receptors. a) Primarily composed of matrix cells . i) Arise from stratum basale. ii) Responsible for the growth of existing hair . b) Contain melanocytes
hair structure

[DOC File]Integumentary System
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What is their function? What type of stimulus activates Ruffini’s corpuscles? Why are hair follicles, sebaceous glands, and sweat glands called “epidermal skin appendages?” Why might the secretions of apocrine glands be of interest to perfume and cologne producers? What cells are responsible for the color of hair?
layers of hair follicle

Hair follicle - Wikipedia
NB// Each hair follicle has a layer of cells at its base that continually divides, pushing overlying cells upwards inside the follicle. These cells become keratinised and die, like the cells in the epidermis, but here form the hair shaft that is visible above the skin.
structure of a hair follicle

An Introduction to the Integumentary System
Hair root (root hair) plexuses: Hair root plexuses are nerve endings (bare neuronal dendrites) that surround the dermal root sheath of each hair follicle, and they function to detect tactile sensations.
hair follicle function anatomy

[DOC File]Chapter 14 Integumentary System
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23. Describe the function of melanocytes. 24. Distinguish between a hair and a hair follicle. 25. Distinguish between eccrine and apocrine sweat glands. 26. Explain how sweat glands help regulate body temperature. 27. Explain importance of Vasodilation and …
function of hair follicle receptor

[DOCX File]CHAPTER 5: THE INTEGUMENTARY SYSTEM
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hair. hair = hard keratin + dead keratinocytes. root below skin. shaft above skin. medulla inner core of keratinocytes + air. cortex several layers of keratinocytes. melanin various colors of hair. function touch temperature control. hair. hair follicle epidermal tissue. internal root sheath = matrix - mitotic cells
hair follicle function quizlet

[DOC File]Structure and Function of the Skin (Integumental System ...
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5-7 Hair. The Hair Follicle. Located deep in dermis. Produces nonliving hairs . Wrapped in a dense connective tissue sheath. Base is surrounded by sensory nerves (root hair plexus) 5-7 Hair. Accessory Structures of Hair. Arrector pili . Involuntary smooth muscle . Causes hairs to stand up. Produces “goose bumps” Sebaceous glands . Lubricate the hair. Control bacteria
parts of a hair follicle

[DOC File]Integumentary System Worksheet
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Assignment: Using the large skin model at your table as a reference, label the following structures in the photos on the next page: epidermis, dermis, hypodermis/subcutaneous layer, hair, hair follicle, sebaceous gland, sweat gland, blood vessels, fat (adipose) cells, arrector pili muscle, collagen fibers of the dermis, sensory organ.
accuracy of hair drug testing

Function of hair follicle