Cartilage Flashcards
Name the three types of cartilage
Hyaline, fibrocartilage and elastic
Hyaline cartilage is found in…
Ribs, nose, articular surfaces of bone
Fibrocartilage is found in…
Interveterbral discs, pubic symphysis, joints & ligaments
What are the two locations of the body where elastic cartilage is found?
The ear & epiglottis
Where do groups of chondrocytes reside in cartilage?
In lacunae
Synarthrosis of a joint refers to…
Little or no movement
What joints are classified as synarthroses?
Dentoalveolar joint & sutures of the skull
Diarthrosis of a joint refers to…
Freedom of movement
What classification of joint is the TMJ (temporomandibular joint)?
Synovial joint
What is the role of hyaline cartilage?
It reduces friction at the joints
What is role of fibrocartilage?
Provides resistance to compression / withstands pressure
What is the gel-like structure in the intervertebral disc?
Nucleus pulposus
How do cartilaginous and fibrous joints differ from synovial joints?
Does not have synovial cavity
Synovial joints are…
Mostly freely moveable
What does cartilage matrix contain?
AGS, proteoglycans & mostly type II collagen