KIN 2500 Chapter : Ch 3 Tissues
15 Mar 2019
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Tissue- a group of cells that usually have a common origin in an embryo and function together to carry out specific activities. Types of tissues (matching: epithelial tissue, connective tissue, muscular tissue, nervous tissue. Epithelial: basement membrane, lateral surface, epithelial tissue, basal surface, apical (free) surface. As tall as they are wide, function in secretion and absorption. Taller than wide, protect underlying tissues, secretion and absorption. Thin, allow for the rapid passage of substances. Glandular epithelium: function: secretion, accomplished by glands that can consist of a single cell or a group of cells, all glands in the body are classified as either endocrine or exocrine. ____________________- make hormones and secrete them into interstitial fluid and diffuse into the bloodstream without flowing through ducts; maintain homeostasis. ____________________- secretory products are released into ducts that empty onto the covering and lining epithelium; produce sweat, oil, earwax, saliva, etc.
