Lesson 9 | Finals Flashcards
(107 cards)
Study of joints
Arthrology
Means “joints”
Arthr
Other term for joint
Articulation / Arthrosis
Joint classifications
- Structural classification
- Functional classification
Point of contact between two bones
Joint
Structural classification basis
Based on anatomical structures
Criteria for structural classification
- Presence/ Absence of Synovial Joint
- Type of Connective Tissue
Functional classification basis
Based on the type of movement they permit
Criteria for functional classification
Degree of movement
Joints according to structural classifications
- Fibrous
- Cartilaginous
- Synovial
Joints according to functional classifications
- Synathrosis
- Ampiarthrosis
- Diarthrosis
Presence of synovial cavity in structurally classified joints
Fibrous : None
Cartilaginous: None
Synovial: Present
Type of connective tissue present at structurally clasified joints
Fibrous : Dense irregular connective tissue
Cartilaginous: Cartilage
Synovial: Dense irregular connective tissue
Immovable
Synarthrosis
Slightly movable/ Limited movement
Ampiarthrosis
Freely movable
Diarthrosis
Classified functionally as either synarthrosis or ampiarthrosis
Fibrous joints and Cartilaginous joints
Fibrous joints
- Sutures
- Syndesmoses
- Interosseous Membrane
Found only in the skull
Sutures
Sutures
- Coronal suture
- Squamous suture
- Lamboidal suture
- Sagittal suture
Functional classification depends on one’s age
Sutures
Functional classification of sutures
Immovable (Synarthrosis) in adults;
Slightly movable (ampiarthrosis) in infants (joints need to expand)
More dense irregular CT and arranged as bundle
Syndesmoses
How CTs are arranged in syndesmoses
as bundle (ligament)