EVPP 108 Lecture Notes - Lecture 20: Basophil, Perichondrium, Brown Adipose Tissue
25 Apr 2018
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Document Summary
3 general categories of ct: ct proper, fluid ct, supporting ct. Ct proper many types of cells and extracellular fibers in ground substance. Fluid ct distinctive populations of cells suspended in a watery matrix of dissolved proteins. Ct proper tissue fibers collagen, reticular, elastic collagen ct proper. Subunits wound together like a rope--> flexible, strong examples of collagen ct proper tendons, ligaments reticular ct proper. Resists forces in many directions elastic ct proper. Will stretch and return to original length example of elastic ct proper elastic ligaments connect vertebrae. Dense--> bacteria have a hard time moving through it. Easier for phagocytes to catch pathogens mesenchyme first ct to appear during embryonic development, gives rise to all other ct, mix of fine protein filaments and mesenchymal cells. Loose ct function packing materials, space filling, cushioning, stabilizing, and supporting epithelia. Fat, adipocytes account for most of the volume. Absorbs shock, acts as an insulator, stores energy, and filler material.
