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Intergumentary System Chp 6
Chapter 6
21
Anatomy
Undergraduate 1
08/31/2010

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Term
What consist of hair, nails, and sudoriferous, sebaceous, and ceruminous glands - originate from the epidermis.
Definition
Skin Derivatives
Term
What helps maintain homeostasis (equilibrium of the body's internal environment).
Definition
skin Derivaties
Term
What covers most body parts; only the lips, nipples, palms, soles, and parts of the external genitalia totally lack it.
Definition
Hair
Term
What protects the body from heat loss and UV Rays.
Definition
Hair
Term
What also shields the eyes and helps keep dust out of the upper respiratory tract.
Definition
hair
Term
What extend into the dermis.
Definition
Follicles
Term
What surrounds the bulb of each hair follicle.
Definition
Nerve Endings.
Term
What secrete oily sebum directly onto the hair follicle, lubricating the hair shaft.
Definition
Sebaceous glands.
Term
What are called (arrectores pilorum) cause cutis anserina (gooseflesh); each tiny arrector pili muscle moves the individual hair when it contracts.
Definition
Smooth-muscle fibers.
Term
What affect hair growth and distrubution.
Definition
Nutrition and hormones
Term
What leads to less nourishing blood supply to hair.
Definition
Poor nutrition
Term
The _____ _________ testosterone encourages hair growth.
Definition
Male hormones
Term
What growth may indicate the presence of a hormone-producing tumor.
Definition
Abnormal hair growth
Term
Key facts about _______.

1. Protect ends of fingers and toes.
2. Cuticle: skin fold over proximal portion of _____.
3. Lunula: white, crescent-shaped region at base of _____
plate.
Definition
Nails
Term
What are modified, heavily keratinized epidermal protective coverings on the dorsal surface at the end of each finger and toe.
Definition
Nails
Term
What is the skin fold over the proximal portion of the nail.
Definition
Cuticle
Term
What is the white, crescent-shaped region at the base of the nail plate.
Definition
Lunula
Term
What secrete sweat through a duct on the body's surface, crucial in maintaining normal body temperature, and classified as eccrine or apocrine.
Definition
Sudoriferous glands
Term
Also known as sweat glands, ____________ _____ are long, coiled tubes located in the dermis or subcutaneous tissue that secrete sweat through a duct on the body's surface.
Definition
Sudoriferous glands
Term
Sudoriferous glands are classified as ______ or ________.
Definition
Eccrine, Aprocrine
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