Joints Flashcards
(19 cards)
Name 3 types of cartilage
Hyaline, fibrocartilage and elastic
What is the densest/toughest cartilage?
Fibrocartilage
Give examples of fibrocartilage
Type 1/2 collagen
Why is it hard to heal hyaline cartilage
It has no vascularity
Name the 3 types of joints
Fibrous, cartilaginous and synovial
Where do you find fibrous joints
Between close contact bones
Are fibrous joints very flexible?
No - they provide very little movemt
Give an example of a fibrous joint
skull
Where do you find cartilaginous joints
Between 2 bones that are connected by cartilage
Give an example of a cartilaginous joint
Intervertebral disc joints
Name the 5 types of synovial joints
Ball and socket Condyloid gliding joint hinge saddle
What types of cells secrete cartilage
chondroblasts - deposits ecm and mature into chondrocytes
What is the function of chondrocytes
to maintain and synthesis the ECM
What is the role of synovial cavity
filled with synovial fluid to reduce friction
what is the main component of synovial fluid in synovial cavity
hyaleuron
What is the function of the bursa
to reduce friction
what is the function of the joint capsule
to act as a shock absorber
what junctions are found at the basement mebrane
hemidesmosom
what proteins are most likely to cause a breach in the BM that can cause cancer
MMP
