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histology//
connective tissue
Question | Answer |
---|---|
mostly non-living extracellular matrix | characteristic of connective tissue |
ground substance (matrix) - unstructured material that fills the space between the cells and contains the fibers composed of interstitial fluid, cell adhesion (glue) proteins and proteoglycans (protein core with glycosaminoglycans attached) | characteristic of connective tissue |
3 types of fibers what are they? | elastic fibers, reticular fibers, and collagen fibers. |
tough, high tensile strength, white fibers, cross linked bundles | collagen fibers |
fine collagenous fibers, extensive branching, surround blood vessels and support soft organ tissues | reticular fibers |
long, thin, form branching networks, stretch and recoil because of elastin, yellow fibers | elastic fibers |
types of cells in matrix composition | clasts,blasts,& cytes |
are cells that breakdown the matrix | clasts |
are immature cells that are actively mitotic and secrete the ground substances and fibers | blasts |
mature cells are less active; They maintain health of the matrix | cytes |
connective tissue proper = fibroblast, fibrocyte cartilage = chondroblast, chondrocyte bone = osteoblast, osteocyte, osteoclast blood = hematopoietic stem cell | the types of cells that go to each connective tissue |
Other cells in the connective tissue are? | white blood cells, plasma cells, fat cells, mast cells, and macrophages |
Plasma Cells – make antibodies Mast Cells – inflammatory response Macrophages – engulf foreign particles | types of cells |