Exam 6: Integumentary System

Describe the changes in the skin that occur with aging.Although skin cancers can occur at any age,why might skin cancers have a higher incidence in the elderly

The stratum _________ derives its name from the spiny appearance of the "bridges" that connect neighboring cells.

Deep cuts that occur perpendicular to cleavage lines tend to gape.

The skin consists of different tissue types that perform specific activities and therefore is to be considered an organ.

Within the body,carotene is converted to

Skin is an entirely waterproof barrier,preventing all gain or loss of fluid from the skin except sweat.

Nails are hard derivatives formed from the stratum ______ of the epidermis.

Although sweat and sebaceous glands develop from the stratum basale of the epidermis,they eventually burrow and remain in the underlying dermis.

While most of the cells in a hair are dead,the living epithelial cells are found in

-Which number indicates a dermal papilla

Transpiration is another name for sweating.

The dermis is derived from the germ layer known as _________.

The secretion of ________ sweat glands is viscous,cloudy,and rich in proteins and lipids.

-Which number indicates the lunula

The type of gland that secretes sweat into a hair follicle that is found in the axillary,anal,and genital regions is the ________ sweat gland.

Granulation tissue is

Fine hair called _________,which is unpigmented or lightly pigmented,is the primary human hair and is found on the upper and lower limbs.

When the body is too warm,dermal blood vessels will undergo _______ in order to increase heat loss.or

________ glands are modified sweat glands located only in the external ear canal.

Why might someone pale when they are exposed to a cold temperature