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CDC 1-2
Intergumentary System
Question | Answer |
---|---|
_____ is the outermost layer of the epidermis, and contains mostly dead cells. | Stratum corneum |
_____ is the second layer of epidermis, which is beneath the stratum corneum. It contains only three to five layers of cells | Stratum granulosum |
_____ is the third layer of epidermis contains many layers of cells | Stratum spinosum |
_____ is the fourth and deepest layer of the epidermis, also referred to as the “basal cell layer.” | Stratum basale |
The _____ is composed of connective tissue. This layer provides toughness and elasticity to the skin. | dermis |
This layer consists mainly of connective and adipose (fatty) tissue. The major blood vessels that support the integumentary system are located in the _____ layer. | subcutaneous |
The skin has additional features called _____. The four appendages are the hair follicles, nails, sweat glands and sebaceous glands. | appendages |
The nail grows outward from the white area at the base called the _____. | lunula |
______ are located throughout the integumentary system; however, they are most prominent in the palms of the hands and soles of the feet. | Sweat glands |
Two main types of sweat glands can be found in the system— ______ and ______ | apocrine glands and eccrine glands |
______ are usually connected to hair follicles and are stimulated by emotional stress. ______ normally do not begin to function until a person becomes sexually mature at puberty. | Apocrine glands |
These types of sweat glands are also referred to as _____, as they typically produce an odor. | scent glands |
_____ are not connected to hair follicles. These glands extend to the outer skin surface through small openings in the epidermis called pores. | Eccrine glands |
______ are stimulated by an elevation in body temperature and are most prominent on the back, neck and forehead. | Eccrine glands |
These glands secrete an oily substance called sebum directly into the hair follicles. The sebum keeps the hair and skin surface soft and virtually waterproof. | Sebaceous glands |
The deepest layer of the epidermis contains cells known as _______ which produce a substance called "melanin". | melanocytes |