Articulations Flashcards
Articulation
Where two bones meet.
A joint
Types of joints (2 types)
1) synarthroses
2) ampiarthroses
3) Diarthorses
Synarthroses definition
Joint that has no movement at all
Divided into 4 types
Synarthroses types
1) synostosis
2) Suture
3) gomphosis
4) synchondrosis
Synostosis definition
2 bones fuse into one bone
Synostosis example
2 frontal bones fused into 1
Adult sacrum
Suture definition
2 bones held together by very short, connective tissue fibers
Suture example
Sagittal suture
Gomphosis definition and example
The root of the tooth held together by a periodontal ligament in the alveolus
Synchondrosis
Rigid bridge of hyaline cartilage that connects two bones
Synchondrosis example
Between ribs 1 and 2 and the sternum
Amphiarthroses definition
Permits a slight amount of movement
2 types
Types of amphiarthroses
1) symphysis
2) syndesmosis
Symphysis
2 bones joined together with a pad of fibrocartilafe
Symphysis examples
Pubic symphysis
Between adjacent vertebra (intervertebral disc)