OpenStax Microbiology Test Bank Chapter 21: Skin and Eye

skin - the skin is an important barrier to pathogens folliculitis - a condition tat results from the inflammation of hair follicles >>acne lesions hair follicles - can become clogged with complex lipids, fatty acids, and dead skin cells, producing a favorable environment for bacteria Epidermis - thin, outermost layer of the skin Stratum Corneum - exterior surface of epidermis. Consists of dead, keratinized cells Dead cells slough off in a process called desquamation and those cells carry bacteria with them >>could transmit disease with flakey skin Dermis - layer of tissue beneath epidermis consisting of connective tissue, blood vessels, nerves, muscles, and glands. Glands - secrete chemicals Sweat glands - tubular glands that produce sweat which provides moisture to the epidermis and consists of water, salts, lysozyme and antimicrobial peptides Sebaceous glands - associated with hair follicles and produce sebum( a rich substance containing proteins and minerals) which protects the skin and reduces water loss Hypodermis - fibrous and adipose connective tissue what are the three major laye