Table 4-2 Major Types And Characteristics Of Collagen

Question 0

Type II collagen

- (Fibril-forming)

Answer 0

Function:
- Resist pressure

Location in body:

• Hyaline cartilage
• Elastic cartilage

Question 1

Type I collagen

- (Fibril forming); most common of all collagen

Answer 1

Function:
- Resist tension

Location in body:

• Dermis
• Tendon
• Ligaments
• Capsules of organs
• Bone
• Dentin
• Cementum

Question 2

Type III collagen

• (Fibril-forming); also known as reticular fibers.
• Highly glycosylated

Answer 2

Function:
- Forms structural framework for;
    > Spleen
    > Liver
    > Lymph nodes
    > Smooth muscle
    > Adipose tissue

Location in body:

• Lymphatic system
• Spleen
• Liver
• Cardiovascular system
• Lung
• Skin

Question 3

Type IV collagen

- (Network-forming)

Answer 3

Function:
- Forms meshwork of lamina densa of the basal lamina to provide support and filtration

Location in body:
- Basal lamina

Question 4

Type V collagen

- (Fibril-forming)

Answer 4

Function:
- Associated with type I collagen, also with placental ground substance

Location in body:

• Dermis
• Tendon
• Ligaments
• Capsules of organs
• Bone
• Cementum
• Placenta

Question 5

Type VII collagen

- (Network-forming); from dimers that assemble ino anchoring fibrils

Answer 5

Function:
- Forms anchoring fibrils that fasten lamina densa to underlying lamina reticularis

Location in body:
- Junction of epidermis and dermis