_TISSUES SUMMARY.pdf - TISSUES Major Type EPITHELIAL TISSUE...

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TISSUESMajor TypeSub-typeDescriptionLocationFunctionPictureEPITHELIALTISSUESimple Epithelium1.Simple SquamousEpithelium2.Simple CuboidalEpithelium3.Simple ColumnarEpitheliumContains a single layer of cells, with eachcell attached to the basement membrane.1.Single layer of flattened cellswith disc-shaped central nucleiand sparse cytoplasm; thesimplest of the epithelia.2.Single layer of cubelike cellswith large, spherical centralnuclei.3.Single layer of tall cells withround to oval nuclei; some cellsbear cilia; layer may containmucus-secreting unicellularglands.1.Kidney glomeruli;air sacs of lungs;lining of heart,blood vessels, andlymphatic vessels;lining of ventralbody cavity2.: Kidney tubules;ducts and secretoryportions of smallglands; ovarysurface.3.Nonciliated typelines most of thedigestive tract,gallbladder, andexcretory ducts ofsome glands;ciliated variety linessmall bronchi,uterine tubes, andsome regions of theuterus.1.Allows passage ofmaterials by diffusionand filtration in siteswhere protection isnot important;produces lubricatingfluid in serosae.2.Secretion andabsorption3.Absorption; secretionof mucus, enzymes,and other substances;ciliated type propelsmucus by ciliaryaction.StratifiedEpithelium1.Stratified SquamousEpithelium2.Stratified CuboidalEpithelium3.Stratified ColumnarEpitheliumContain more than one layer of cells. Thecells on the basal surface are attached tothe basement membrane; those on theapical surface border an open space.1.Thick membrane composed ofseveral cell layers; basal cellsare cuboidal or columnar andmetabolically active;2.Generally two layers ofcubelike cells.

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Term
Fall
Professor
BENTON
Tags
Neuroglia

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