Fibrocartilage

Question 1

Fibrocartilage is the binding tissue for what type of joint?

Answer 1

Symphysis

Question 2

What is the type of cell for Fibrocartilage?

Answer 2

Fibrochondrocytes

Question 3

Fibrocartilage number of cells and ECM is similar to ________ cartilage

Answer 3

Articular; 1-5% cells + 99% ECM

Question 4

Fibrocartilage has ______ water in the Interfibrillar component of the ECM than Articular cartilage.

Answer 4

Less (65-70%); Articular cartilage (80%)

Question 5

What are 3 Fibrocartilage examples?

Answer 5

(Within synovial joints, may have Fibrocartilage pads)
Meniscus
Glenohumeral labrum
Acetabular labrum

Question 6

What are the 3 functions of Fibrocartilage?

Answer 6

Attenuates/distributes load through the joint (shock absorption)
Support joint (joint stability)
Decreases friction (joint lubrication)

Question 7

Fibrocartilage has limited _____________.

Answer 7

Vascularity

Question 8

Where does Fibrocartilage receive its blood supply?

Answer 8

Comes from surrounding tissue (ex. Menisci/labrum: surrounding synovium)

Question 9

Extracellular matrix is abundant in CT. When considering the following tissues, which of the following would have the largest proportion of ECM?
A. Cartilage
B. Tendon
C. Ligament
D. Muscle

Answer 9

A. Cartilage (Articular/Fibrocartilage; 99% ECM)