C. Accessory Structures of the Skin Write the name of the accessory structure that best fits the description. 1. Sudoriferous glands located in axillary and genital areas; become active after puberty. 2. Connective tissue projection; provides blood supply for hair matrix. 3. Secures nail to digit. 4. Epithelial layer that surrounds hair root. 5. Secretes sebum onto hair and skin. 6. Part of nail that is visible. 7. Part of nail that extends beyond digit. 8. Part of hair that contains the matrix. 9. Sudoriferous glands that deposit sweat onto epidermal ridges causing fingerprints. 10. Part of hair in epidermis and extending beyond skin surface. 11. Moves hair shaft perpendicular to skin; causes goose bumps. 12. Thickened epithelial tissue at proximal end of nail body. 13. Crescent-shaped area of nail body near cuticle. 14. Part of hair within dermis. 15. Part of nail within skin. 16. Part of nail deep to nail root that produces new cells, causing the nail to grow.
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7. List the sensory receptors found in the dermis of the skin. Accessory Organs of the Skin 8. Match the key choices with the appropriate descriptions. Some terms are used more than once. Key: a. arrector pili b. cutaneous receptors c. hair d. hair follicle e. nail f. sebaceous gland g. sweat gland - apocrine h. sweat gland - eccrine 1. Tiny muscles, attached to hair follicles, that pull the hair upright during fright or cold. 2. Sweat gland with a role in temperature control. 3. Sheath formed of both epithelial and connective tissues. 4. Primarily dead/keratinized cells (two responses from key). 5. Specialized nerve endings that respond to temperature, touch, etc. 6. Secretes a lubricant for hair and skin. 9. Describe two integumentary system mechanisms that help regulate body temperature.
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A. Match each layer of the epidermis with its description. Answers can be used more than once. a. stratum basale b. stratum corneum c. stratum granulosum d. stratum lucidum e. stratum spinosum B. Match each structure of the integument with its function. Answers can be used more than once. a. arrector pili b. apocrine sweat gland c. cutaneous receptors d. merocrine sweat gland e. sebaceous gland
The Integumentary System 7. List the sensory receptors found in the dermis of the skin. Accessory Organs of the Skin 8. Match the key choices with the appropriate descriptions. Some terms are used more than once. Key: a. arrector pili b. cutaneous receptors c. hair d. hair follicle e. nail f. sebaceous gland g. sweat gland-apocrine h. sweat gland-eccrine 1. tiny muscles, attached to hair follicles, that pull the hair upright during fright or cold 2. sweat gland with a role in temperature control 3. sheath formed of both epithelial and connective tissues 4. less numerous type of sweat-producing gland; found mainly in the pubic and axillary regions 5. primarily dead/keratinized cells (two responses from key) 6. specialized nerve endings that respond to temperature, touch, etc. 7. secretes a lubricant for hair and skin 9. Describe two integumentary system mechanisms that help regulate body temperature. 10. Several structures of the hair are listed below. Identify each by matching its letter with the appropriate area on the photomicrograph.
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