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bio
skin, bones, histology
| Term | Definition |
|---|---|
| Cellularity | Mostly cells, very little extracellular material between cells |
| Specialized contacts | Hex-shape, Tight Junctions and Desmosomes |
| Polarity | Apical surface (top, named for this layer), basal surface (bottom) o Microvilli (the hairs on columnar) o Cilia o Basal Lamina: thin, supporting sheet – glycoproteins |
| Polarity | Supported by Connective Tissue - Basal lamina & Reticular lamina (together form basement membrane) |
| Avascular | Innervated |
| Regeneration | (unless burned) |
| Simple | one layer of cells |
| Stratified | two or more layers of cells |
| • Squamous (flat, scale-like) o Simple squamous - tiled floor (top), fried eggs ( side), permeable - diffusion, substance exchange Endothelium - internal lining of blood vessels and lymphatic vessels Mesothelium - epithelium of serous membranes in |