Complete the following What part of the hair extends from th

Complete the following: What part of the hair extends from the hair papilla to the body surface? In which layer of skin are sebaceous glands found? _____ How are sebaceous glands associated with hair follicles, and what do they secrete? The ducts of apocrine sweat glands open into _____ Which type of sweat gland is most important in maintaining normal. body temperature? _____ Sketch a verbal section of human skin, using the scanning objective. Label the skin layers and a hair follicle, a sebaceous gland, and a sweat gland.

Solution

1. Hair Shaft: The hair shaft is the part of the hair that sticks out of the skin. The hair shaft is connected to the follicle.

2. Sebaceous glands are found in the dermis layer of the skin. They are the glands that secrete different cells and the makeup of the gland is dependent on what it is excreting. They are oil secreting glands

3. Sebaceous glands are usually attached to hair follicles and release a fatty substance, sebum, into the follicular duct and thence to the surface of the skin.

4. Apocrine sweat glands, which are usually associated with hair follicles, continuously secrete a fatty sweat into the gland tubule

5. The eccrine sweat gland, which is controlled by the sympathetic nervous system, regulates body temperature. When internal temperature rises, the eccrine glands secrete water to the skin surface, where heat is removed by evaporation