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| Two major forms of epithelium: |
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| two types of glandular epithelium: |
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| epithelial cells are bound together by |
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| epithelial cells are arranged |
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| epithelium has how much extra cellular space? |
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Definition
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| the basal surface rests on the |
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Definition
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| which surface is specialized? |
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| epithelial tissue displays high or low mitotic activity? |
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Definition
| structural support and selective barrier for epithelium |
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| components of basal lamina |
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Definition
| collagen IV, glycoproteins, proteoglycans secreted by epithelial cells |
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| how is the basal lamina connected with the underlying connective tissue? |
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Definition
| type VII anchoring fibrils |
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Definition
| layer under the basal lamina composed of reticular fibers from connective tissue fibroblasts |
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Definition
| just below apical end of cell. permeability barrier against molecular movement across epithelial sheets. |
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Definition
| just below apical end of cell. permeability barrier against molecular movement across epithelial sheets. |
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Definition
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Definition
| connections between adjacent cells, allow passage of molecules, signaling |
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Definition
| link cytoskeletons for structural integrity |
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Definition
| attach cells to extracellular matrix. |
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Definition
| increase surface area, trap nutrients |
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Definition
| non-motile. Increase surface area. |
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Definition
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| purpose of surface epithelium (6) |
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Definition
| protection, absorption, excretion, surface transport, digestion, lubrication |
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Term
| where is simple squamous epithelium? |
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Definition
| lining serous cavities: peritoneum, pleura, pericardium (mesothelial); lining heart, blood and lymph vessels (endothelial) |
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Term
| Where is simple cuboidal epithelium found? |
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Definition
| ducts of mammary glands, collecting ducts of kidneys. |
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Term
| Where is simple columnar epithelum found? |
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Definition
| GI tract, genitourinary tract, resp tract. |
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Term
| What are three features of simple columnar epithelial cells? |
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Definition
| nucleus is oval and basal; striated border; ciliated in portions of resp. and urinary tract. |
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Term
| where is pseudostratified epithelium found? |
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Definition
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| Where is stratified keratinized squamous epithelium found? |
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Definition
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| where is stratified non-keratinized squamous epithelium found? |
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Definition
| in the mouth, esophagous, anal canal |
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Term
| where is stratified cuboidal epithelium found? |
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Definition
| large excretory ducts of glands -- salivary and mammary |
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Term
| where is stratified transitional epithelium found? |
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Definition
| bladder, ureters, part of urethra |
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Term
| In stratified sqamous epithelium, of what type are the deeper layers? |
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Definition
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Definition
| one or a group of epithelial cells modified to synthesize and secrete molecules into the extracellular space. |
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Definition
| products released to surface |
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Definition
| ductless, products released btween cells, diffuse into capillaries. |
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| glands in the large intestine are |
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Definition
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| glands in the kidney and testes are |
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| glands in the pancreas and mammae are |
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Definition
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Definition
| many secretory units that empty into branching ducts. |
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Definition
| single celled mucous glands. |
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| in goblet cells, the nuclei are |
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Definition
| pressed to the base by the acidophilic secretory granules filling the cells |
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| pancreatic acinar cells secrete by what type and mode? |
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| the acinar mandibular salivary glands secrete by what type and mode? |
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Definition
| mucous, serous, merocrine |
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Term
| sebaceous glands secrete by what mode? |
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Definition
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| sweat glands secrete by what mode? |
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