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surface exposed to the superficial surface of external organs and the deep surface of the epidermis
noncellular adhesive sheet made of glycoproteins that determines which molecules are allowed to enter the epithelium
reinforces epithelial sheet, resists stretching and tearing, defines epithelial boundary
consists of a single cell layer, found where absorption, secretion, and filtration occur
consists of two or more cell layers, common in high abrasion areas where protection is important(skin, mouth lining)
simple squamous epithelia that provides slick, friction reducing lining in lymphatic vessels and in all hollow organs of the cardiovascular system
simple squamous epithelia found in serous membranes lining the ventral body cavity and covering its organs
simple squamous epithelium
this is found where filtration and the exchange of substances by diffusion is a priority, cells flattened laterally
simple cuboidal epithelium
the function of this is absorption and secretion, single layer of cells as tall as they are wide
simple columnar epithelium
lines the digestive tract from the stomach through the rectum, important for absorptions and secretion, single layer of tall, closely packed cells
stratified squamous epithelium
functions as a protective surface, cells are constantly being replaced by division of it's basal cells
unstructured material that fills the space between the cells and contains the fibers
found where elasticity is needed(skin, lungs, blood vessel walls), fibers stretch and recoil
loose areolar connective tissue
gel-like matrix with all three fiber types; cells: fibroblasts, macrophages, mast cells, white blood cells
provides reserve food fuel; insulates against heat loss; supports and protects organs; found under skin in hypodermis, within abdomen, in breasts
dense irregular connective tissue
found in the skin as the leathery dermis, made of thick collagen fibers arranged irregularly
supports and reinforces, has resilient cushioning properties, resists compressive stress
supports and protects body structures, rigid, provides cavities for fat storage and blood synthesis
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