Connective Tissues Flashcards
major cell types
fibroblasts, macrophages, and mast cells
fibroblasts
produce fibers
macrophages
carry on phagocytosis
mast cells
secrete heparin and histamine
connective tissue fibers (extracellular matrix)
collagen, elastic, and reticular fibers; ground substance
collgan fibers
hold structures together
elastic fibers
stretch easily
reticular fibers
lend delicate support
ground substance
fills in sapces around cells and fibers
categories of connective tissue
loose and dense
loose connective tissues
areolar, adipose, and reticular
areolar
mainly fibroblasts
adipose
fat; found in spaces in between muscles
reticular
provides framework for some internal organs like the liver and spleen
dense connective tissues
lots of collagen fibers and some elastic fibers, few cells which most are fibroblasts