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Tissues Quiz

Terms in this set (36)

types of tissue
epithelial, connective, muscle, nervous
epithelial tissue
covers/lines body structures; protects the body/organs; very little matrix/ fluid in between; lots of densely packed cells
tissue with counter agent to deadly stomach acid
heals easiest b/c least specialized, protection
simple squamous
1 layer of flattened cells; lines the lungs-air sacs; in blood vessels walls and lining-allows passage of material, moves in and out, contracts, smaller/ bigger, let things through, walls of blood cells, things diffuse back and forth across
cuboidal epithelium (simple)
1 layer of cubed shaped cells; secretes; found in glands, inside layer, produce whatever gland produces, secretes liquid
columnar (simple)
stratified
1 layer of column shaped cells; pulls in nutrients-absorbs;lines small intestine to absorb digestive things/ nutrients, villi- finger like projections, taller than wide
multiple layers
stratified squamous
many layers of flattened square cells; good barrier-thick; found in skin, overlaps like shingles, seals
pseudostratified
falsely stratified; every cell connected to basement membrane/ base membrane/ matrix; found in trachea- connect pharynx to lungs, finger like extension cells sternum/voice box keeps out dust, cell layer looks like multiple layers but each attaches to bottom membrane, cilia- finger like clear out airways of particles/ mucus
transitional
doesn't have a set shape; technically stratified; in bladder/organs that have to expand often
connective tissue
supports and connects body, most abundant, widely distributed all over body, varied, most common, very few cells and lots of matrix, classified by matrix and fibers
areolar tissue
connective fiber tissue composed of loose web-like fibers/mesh; found everywhere in every organ; holds organs tissue together and in place, web of fibers, collagen and elastin, fiber matrix
adipose tissue
connective tissue; fats; under the skin, abdomen, thighs, hips, breast tissue; pads body structures, used as food, isolates/ regulates body temp, Areolor when it stores additional/excess lipids, regulates metabolism, stores food/carbs, break down/ burns fat for warmth, fiber matrix
collagen
strong, flexible protein that can't expand or stretch but can bend, skin- souls of feet, tendons- hold muscles to bone/ joint in areolar, adipose fibrous
elastin
stretchy, rubbery protein that can expand, skin- elbow, ligaments- hold bones to bones
dense fibrous
built out of collagen fibers that are bundles like cables; builds tendons, bundles of strong white collagen, more fiber less cells, hard to tear, fiber matrix
tendons
ligaments
connect muscle to bone/ joint
connect bone to bone
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