| A | B |
|---|
| cutaneous membrane | What kind of membrane is the skin? |
| dermis | the thick layer of the skin beneath the epidermis |
| epidermis | the outer epithelial layer of the skin |
| hair follicle | tubelike depression in the skin in which a hair develops |
| integumentary | pertaining to the skin and its accessory organs |
| keratinization | the process by which cells form fibrils of keratin and harden |
| melanin | dark pigment normally found in skin and hair |
| mucous membrane | lubricating membrane lining the internal surface or an organ |
| sebaceous gland | skin gland that secretes sebum (oily substance) |
| serous membrane | membranes that line body cavities that lack openings to the outside |
| subcutaneous layer | beneath the skin |
| sweat gland | exocrine gland in skin that secretes a mixture of water, salt, urea, and other bodily wastes |
| synovial membrane | membrane that forms the inner lining of the capsule of a freely movable joint |
| integumentary system | cutaneous membrane along with certain accessory organs |
| thorax and abdomen | Serous membranes line which 2 cavities |
| serous fluids | serous membranes secrete which watery substance? |
| serous, mucous, synovial, and cutaneous | Name the four membranes |
| epidermis | layer of skin that contains epithelial cells |
| epidermis | layer of skin composed of stratified squamous epithelium |
| epidermis | layer of skin without direct nutrient supply |
| true | skin is made of epithelial tissue and connective tissue. True or false? |
| dermis | layer of skin where accessory organs are housed |
| subcutaneous layer | layer of skin that is composed of loose connective and adipose tissue |
| subcutaneous layer | layer of skin that binds the skin to underlying organs |
| stratum basale, stratum spinosum, stratum granulosum, stratum corneum, and stratum lucidum | Name the five layers of epidermis |
| stratum basale | layer of the epidermis that is nourished by dermal blood vessels |
| stratum basale | layer of epidermis that gives rise to other layers |
| stratum basale | Stratum germinativum is where mitosis occurs. It is also called |
| stratum basale | layer of epidermis where new cells are formed |
| stratum lucidum | epidermis layer that is thickened skin of palms and soles of feet |
| stratum granulosum | missing layer of epidermis when thin (older people) |
| calluses | keratinized areas on palms and soles |
| corns | keratinized conical masses on toes |
| melanocytes | specialized epidermal cells which produce melanin |
| melanin | pigment produced in epidermis that absorbs UV radiation in sunlight, preventing mutations in the DNA of skin cells and other damaging effects |
| melanin | melanocytes have long, pigment containing cellular extensions that transfer __________ granules into nearby cells |
| fingerprints | this distinctive feature of the epidermis that is caused by dermal papillae and ridges betwee the dermis and epidermis |
| dermis | layer of skin that has connective tissue including collagenous fibers and elastic fibers |
| dermis | blood vessels help regulate body temperature in which layer? |
| dermis | sensory receptors are found in which layer of the skin? |
| subcutaneous | adipose tissue that provides insulation is located in which layer of skin? |
| subcutaneous | layer of skin that contains the major blood vessels |
| hair follicle | group of epidermal cells at the base of a tubelike depression |
| dark | a great deal of melanin produced by epidermal melanocytes produces _______ hair |
| blond | a moderate amount of melanin produced by epidermal melanocytes produces _______ hair |
| white | if no melanin is produced by epidermal melanocytes produces _______ hair |
| trichosiderin | red hair is the cause of ________________ a pigment that is produced instead of melanin |
| gray | when hair is mixed of pigmented and unpigmented it appears |
| arrector pili muscle | a bundle of smooth muscle attached to hair follicle |
| sebaceous gland | specialized epithelial cells associated with hair follices |
| sebaceous gland | gland that secretes an oily mixture of fatty material and sebum |
| sebum | cellular debris and fatty material |
| nails | protective covering on ends of fingers and toes |
| lunula | whitish, thickened, half-moon shaped region of nail |
| lunula | where nail plate has most active growing region |
| sweat glands | sudoriferous glands (exocrine) that are widespread in skin |
| eccrine glands | most numerous sweat glands |
| apocrine glands | sweat glands that become active when a person is emotionally upset, frightened, or in pain |
| sweat glands | modified glands that secrete milk (mammary) and ear wax (ceruminous) are what kind of gland? |
