Joint (articulations) Flashcards
Joint (articulation)
places of contact between skeletal components
What are the three types of structural classifications of joints?
Fibrous, cartilaginous, and synovial joints
Fibrous joints are made up of what kind of tissue?
dense connective tissue
Cartilaginous joints are made up of what kind of tissue?
cartilage
Synovial joints are made up of what?
synovial fluid
What are the kinds of fibrous joints?
gomphosis, suture, and syndesmosis
What does “syn-“ mean?
together
What does “desmo-“ mean?
bind
Gomphosis j. is like what?
“bolt in the socket”
Suture j. is like what?
“interlocking seams”
Syndesmosis j. is like what?
“binding sheets”
What is an example of gomphosis joint?
teeth/tooth
What is an example of suture joint?
flat skull bones
What is an example of syndesmosis joint?
between the radius and ulna, and between the tibia and fibula
What are the types of cartilaginous joints?
synchondrosis hyaline cartilage and symphysis
Symphysis
pads of fibrocartilage
What does “sym-“ mean?
together
What is an example of synchondrosis hyaline cartilage?
1st sternalcostal joint
What is an example of symphysis?
the pubic symphysis
Synovial joint
allows for movement
What are the elements of a synovial joint?
- fibrous layer
- synovial membrane
- joint cavity
- articular cartilage
- ligament
- articular capsule
Order of synovial joint elements from superficial to deep
- ligament
- fibrous layer
- synovial membrane
- joint cavity
- articular cartilage
Fibrous layer function
binding
Synovial membrane function
produces synovial fluid
Synovial fluid function
- lubricant
- shock absorber
- nourishing substance
Joint cavity
contains the synovial fluid
Articular cartilage function
shock absorber and protector