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Anatomy Unit 2 Retak
| Question | Answer |
|---|---|
| Simple squamous epithelium | single layer of flattened cells with disc-shaped central nuclei and sparse cytoplasm; the simplest of the epithelia. |
| simple cuboidal epithelium | single layer of cubelike cells with large, spherical central nuclei. |
| simple columnar epithelium | single layer of tall cells with roung to oval nuclei; some cells bear cilla; layer may contain mucous secreting unicellular glands |
| Pseudostratified columnar epithelium | single layer of cells of differing heights, some not reaching the free surface; nuclei seen at different levels; may contian mucus-secreting goblet cells and bear cilla |
| stratified squamous epithelium | thick membrane with several layers; basal cells are cuboial or columnar and metabolically active; suface are flattened; in the keratinized type, the surface cells are full of keratin and dead; basal cells are active in mitosis and produce the cells of the |
| transitional epithelium | resembles both stratified squamous and stratfied cubidoal; basal cells cuboidal or columnar; surface cells dome shaped or squamouslike, depending on degree of organ stretch. |
| stratified cuboidal epithelium | arranged in two or more layersof cuboidal cells |
| stratified columnar epithelium | arragned in two or more layers of columnar cells. It is very rare. |
| Connective tissue proper; loose connective tissue, aerolar | fel-like matrix with all three fiber types; cells; fibroblasts, macrophages, mast cells, and some white blood cells |
| connective tissue proper; loose connective tissue, adipose | matrix as in areolar, but very spare; closely packed adipocytes, or fat cells, have nucleus pushed to the side by large fat droplet |
| connective tissue proper; loose connective tissue, reticular | network of reticular fibers in a typical loose ground substnce; reticular cells lie on the nextwork |
| connective tissue proper; dense connective tisue, dense regular | primarily parallel collagen fibers; a few elastin fibers; major cell types is the fibroblast |
| connective tissue proper; dense connective tissue, dense irregular | primarily irregularly arragned collagen fibers; some elastic fibers, major cell type is the fibroblast |
| cartilage; hyaline | amorphous but firm matrix, collagen fibers from an imperceptible network, chondroblasts produce the matrix and when mature lie in lacunae |
| cartilage; elastic | similar to hyaline cartilage, but more elastic fibers in matrix |
| cartilage; fibrocartilage | matrix similar to but less firm than that in hyaline cartilage; thick collagen fibers predominate |
| others; bone (osseous tissue) | hard, calcified matrix containing many collagen fibers; ostocytes lie in lacunae. Very well vascularized. |
| others; blood | red and white blood cells in fluid matrix |
| others; spongy bone | also known as cancellous bone; lattice-shaped and highly vascular, contains red bone marrow |
| others; lymph | white blood cells; include three major types - T cells, B cells. and natural killer cells |
Created by:
angelynnett25
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