chapter 5 - the integumentary system Flashcards
what is the integumentary system?
skin
what is the integumentary system?
skin
what is the largest organ?
skin
what are functions of the skin?
thermoregulation, blood reservoir, protection cutaneous secretion, excretion and absorption, and vitamin D synthesis
what are the layers of the skin?
epidermis, dermis, and hypodermis
what type of tissue is the epidermis?
epithelial tissue
what type of tissue is the dermis?
connective tissue
what type of tissue is the hypodermic?
connective tissue
what is another name for the hypodermic?
subcutaneous/subQ
what layer attaches the skin to underlying tissues and organs?
subcutaneous layer
what is keratinized stratified squamous epithelium?
epidermis
what are the four major types of cells in the epidermis?
keratinocytes, melaoncytes, langerhan cells, and merkel cells
what cells protects against heat, abrasions, microbes, and chemicals?
keratin
what acts as a waterproof sealant of the skin and against foreign materials?
lamellar granules
what secrets melanin?
melanocytes
what protects the DNA of the skin?
melanocytes
what causes goosebumps?
arrestor pili muscles
what do sebaceous glands secrete?
sebum
what are sweat glands?
sudoriferous glands
what are the most numerous sweat glands?
eccrine sweat glands
what cools the body?
eccrine sweat glands
what sweat glands are stimulated during stress?
apocrine glands
what are modified sweat glands?
ceruminous glands
what do ceruminous glands secrete?
ear wax (cerumen)
