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GC Chapter 4
Organization of Tissue
| Question | Answer |
|---|---|
| Cells that cover internal/exterior surfaces | Epithelia |
| Cell attached/derived from epithelia that produce secretions | Glands |
| Transmembrane proteins that bind to each other or extracellular material | Cell adhesion molecules (CAMs) |
| A thin layer of of glycosaminoglycans that bonds to membranes of adjacent cells | Hyaluronic Acid |
| Lipids of the plasma membrane are bound tightly by interlocking membrane proteins with an inferior adhesion belt | Tight Junction |
| Two cells held together by two interlocking connexons (channel proteins) | Gap Junction |
| Very strong Cell adhesion molecules and proteoglycans that link opposing plasma membranes | Desmosomes |
| Small discs connected to bands of of intermediate filaments | Spot desmosomes |
| Attaches a cell to extracellular filaments in the basement membrane | Hemidesmosomes |
| Stem cells located in the basement membrane that are responsible for replacing dead/damaged epithelium | Germinative cells |
| When one layer of cells covers the basement membrane | Simple epithelium |
| Several layers of cells cover the basement membrane | Stratified epithelium |
| Epithelium cells that resemble fried eggs | Squamous epithelium |
| Squamous Epithelium that line ventral body cavity | Mesothelium |
| Squamous Epithelium that line inner surfaces of the heart and blood vessels | Endothelium |
| Line the mouth, rectum, anus, throat, esophagus and vagina | Stratified Squamous Epithelium |
| Type of epithelium lining the oral cavity, pharynx, esophagus, anus, vagina | stratified squamous eptihelium |
| Epithelium that provides limited protection and occurs where secretion/absorption take place | Simple cuboidal epithelium |
| Epithelium that are located along sweat glands and larger mammary ducts | Stratified cuboidal epithelium |
| Epithelium that tolerates repeated cycles of stretching and recoiling without damage (cells of the bladder) | Transitional epithelium |
| Rare tissue in the pharynx, epiglottis anus mammary glads salivary gland ducts and urethra | Stratified Columnar epithelium |
| tissue used for absorption and diffusion | Simple squamous epthelium |
| Used for secretion and absorption, kidneys, glands | Simple cuboidal epithelium |
| Sectretion and absorption using brush border | Simple Columnar epithelium |
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