A&P Midterm, Terms
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Created by:
WarrenJB Plus on October 8, 2011
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11 terms
English | Chemistry |
|---|---|
 Tight Junctions | Important in restricting xport. Fusions of adjacent plasma membranes. |
| Desmosomes | Macula adherens. w/ Keratin filaments. Important in skin and urinary bladder. Anti-stress. |
| Hemidesmosomes | Anchor the basal membrane of an epithelial cell to its underlying connective tissue. |
| Zona Adherens | Contractile actin filament anchoring. Bending. |
| Gap Junctions | Contain connexons. Allows ions/electrical impulses to pass. Primarily cardiac muscle cells and smooth muscle cells. |
| Mast Cell | Connective Tissue: Inflammatory reaction. Secretes histamine and heparin. |
| Merkel discs, Meissner's Corpuscles | Stratum basal contains these touch recepors: |
| Melanocytes | In stratum basal, produce melanin (pigmant) to hair and skin |
| Langerhans cells | Are phagocytic cells in the spinosum layer. Stimulate an immune response when they encounter disease causing microbes. |
| Lucidum | Accumulated keratin in this layer but not yet flattened. |
| Sebaceous glands | Secretes oily sebum at the base of the hairs. Helps retain moistureon skin. Washing dries it out! |
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