Types of connective tissues • Figure 3.24
There are three types of connective tissue: loose (areolar), dense regular, and elastic.
Skin
Collagen
fiber
Subcutaneous
layer
Sectional view of subcutaneous
areolar connective tissue
400x
1000x
Macrophage
Collagen
fiber
Plasma cell
Fibroblast
Elastic
fiber
Reticular
fiber
Mast cell
Areolar connective tissue
Tendon
Skeletal
muscle
■ IM 400x
Nucleus of
fibroblast
Collagen "
fiber
Sectional view of dense regular
200x
connective tissue of a tendon
Dense regular connective tissue
Aorta
Heart
400x
Elastic lamellae
(sheets of
elastic material)
Nucleus of ------
fibroblast
Sectional view of elastic
QD
50x
connective tissue of aorta
Elastic connective tissue
Cells Specialize into Various Tissues 77
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