EM: Types and characteristics of collagen

Question 1

I

Answer 1

*most abundant type
TD: dermis, tendon, bone, dentin, cementum, fibrocartilage, organ capsules

SC: fibroblasts, odontoblasts, cementoblasts, osteoblasts, chondroblasts

F: resistance to tension

MO: fibril-forming collagen leading to the formation of fibers

Question 2

II

Answer 2

TD: hyaline and elastic cartilage

SC: chondroblasts

F: resistance to pressure

MO: fibril-forming collagen

Question 3

III

Answer 3

TD: spleen, liver, lymph nodes, smooth muscle, skin, lung

SC: smooth muscle cells, fibroblasts, reticular cells

F: maintains structure in expansible organs

MO: fibril-forming collagen leading to formation of fibers

Question 4

IV

Answer 4

TD: basal lamina

SC: endothelial cells, epithelial cells, schwann cells, and smooth muscle

F: support of delicate structures and filtration

MO: network-forming collagen

Question 5

VII

Answer 5

TD: dermis

SC: epidermal cells

F: anchors the lamina densa to the lamina reticularis

MO: anchoring collagen