A&P ch5 vocab

Question Answer
Vasoclilaton An increase in the diameter of a blood vessel caused by relation of the smooth muscle in the wall of the vessel
Vasoconstriction A decrease in the diameter of a blood vessel caused by contraction of the stomach muscle in the wall of the vessel
Subcutaneous tissue Below the skin;the superficial fascia between the dermis and the muscles
Stratum corneum The outer most layer of the epidermis, made of many layers of dead kertinized cells
Stratum germinvitum The inner most layer of the epidermis; the cells undergo mitosis to produce new epidermis
Sebaceous gland An endocrine gland in the dermis the produces sebum
Receptors A specialized cell or nerve ending that responds to a particular change such as light,sound,heat, touch or pressure
Papillary layer The upper most layer of the dermis; contains capillaries to nourish the epidermis
Nail follicle The structure within the skin of a finger or toe in which a nail grows,mitosis takes place on the nail root
Melanocyte A cell in the lower epidermis that synthesizes the pigment melanin
Melanin A protein pigment produced by melancytes. Absorbs ultraviolet light; gives color to the skin, hair, iris, and chorid layer of the eye
Karatin A protein produced by epidermal cells; found in the epidermis hair and nails (from the Greek "horn")
Hair follicle The structure within the skin in which the hair grow
Epidermis The outer layer of the skin, made of stratified squamous epithelium
Eccrine sweat gland The type of sweat gland (experiment) that produces watery sweat; important in maintenance of normal body temperature
Dermis The inner layer of the skin, made of fibrous connective tissue
Ceruminous gland An exocrine gland in the dermis of the ear canal that secretes cerrumen (ear wax)
Arterioles A small artery

Leave a Reply

Your email address will not be published.