Specific CT Structure

Question 0

Cartilage

Answer 0

Water Content: 60-85%
Collagen (% dry wt): Type II (10-30%)
PG/GAG: 8-10% Aggregating PGs
Comment: Cells are 10% of total wt

Question 1

Bone

Answer 1

Water Content: 25%
Collagen (% dry wt): Type I (25-30%)
PG/GAG: Mainly CS
Comment: 70% dry weight is inorganic mats (hydroxyapatite?)

Question 2

Ligament

Answer 2

Water Content: 70%
Collagen (% dry wt): Type I/III (70%)
PG/GAG: <1% DS (tensile stress GAG)
Comment: 20% of dry weight unknown

Question 3

Tendon

Answer 3

Water Content: 60-75%
Collagen (% dry wt): Type I/III (80%)
PG/GAG: <1% DS (Tensile GAG)
Comment: More linear collagen arrangement than ligs

Question 4

Capsule

Answer 4

Water Content: 70%
Collagen (% dry wt): Type I (90%)
PG/GAG: CS/DS
Comment: Some elastin content as well

Question 5

Meniscus

Answer 5

Water Content: 70-78%
Collagen (% dry wt): Type I (60-90%)
PG/GAG: <10%
Comment: Fibrocartilage

Question 6

Annulus Fibrosis

Answer 6

Water Content: 65-70%
Collagen (% dry wt): Type I/II (50-60%)
PG/GAG: 20% CS/KS
Comment: None

Question 7

Nucleus Pulposis

Answer 7

Water Content: 65-90%
Collagen (% dry wt): Type II (20-30%)
PG/GAG: 65% aggregating PG’s
Comment: