Chapter 4: Articular cartilage (Hyaline) Joint capsule (exam 2) Flashcards
the outer layer of the capsule if made up of what?
fibrous dense CT
the outer layer is continuous with what<
the periosteum of the adjacent bone
the synovial membrane (layer) is the what? covering what?
inner connective tissue layer covering non-articular surfaces
The synovial membrane is rich in what?
blood, nerve supply and lymphatics
the synovial layer will do what if damaged?
will regenerate rapidly
the synovial layer is considered an epithelial lining? t/f
False
what are the two cell types found in the synovial layer?
Type A synovocytes and Type B synovocytes
Type A synovocytes are what type of cell?
They are macrophages
what is the function of type a synovocytes?
to remove debris from joint space y phagocytosis
Type B synovocytes resemble what type of cell?
fibroblasts (= synovial cell)
what is the function of type B synovocytes?
secrete synovial fluid
synovial fluid is made up of what?
high concentrations of hyaluronan (HA) and lubricin (glycoproteins)
what is the function of synovial fluid?
to act as a joint lubricant and to supply nutrients and oxygen to chondrocytes
What are the three types of synovial membranes (synoviums)?
Fibrous, areolar and adipose
The fibrous synovium is made up of what and is covering what?
made up of dense irregular CT and covering tendons and ligaments