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Anatomy Arthrology Sec 6
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What is the structural classification of articulations?
- Presence of a space between bones
- connective tissue holding bones together
What are the three types of connective tissue for structural classification?
Collagen fibers
Cartilage
Articular capsule and Accessory ligaments
How are joints classified in functional classification?
Movement
What are the three movement classifications in Functional classification?
Immovable = synarthrosis
Slightly moveable = amphiarthrosis
Freely movable = diarthrosis
What are the features of Fibrous Articulations?
Lack synovial cavity
Bones held by fibrous connective tissue
Little or no movement (synarthroses or amphiarthroses)
No space between bones
What fibrous articulation has synarthrosis and consists of a thin layer of dense fibrous connective tissue connecting bones?
Sutures
What are the features of syndesmoses?
Fibrous joint
Bones united by ligament
amphiarthrosis (slightly movable)
What is an example of a syndesmoses joint?
anterior tibiofibular joint and interosseous membrane
What type of joint has a ligament holding cone shaped peg in bony socket?
Gomphoses
What are the features of cartilaginous joints?
Lacks synovial cavity
allows little or no movement
bones tightly connected by fibrocartilage or hyline cartilage
What type of cartilaginous joints are connected by hyline cartilage?
Synchondroces
(ex. joint between rib and sternum)
synarthrosis
What type of cartilaginous joints are connected by Fibrocartilage?
Symphyses
(ex. IV disks)
amphiarthroses
What are the features of a synovial joint?
Synovial cavity separates articulating bones
Diarthroses (freely moveable)
articular cartilage
articular capsule
synovial membrane
What is the purpose of articular caartilage?
Reduce friction
Absorbs shock
What is the function of the articular capsule?
Surrounds joint
Thickenings in fibrous
Capsule called ligaments
What is the function of the synovial membrane?
Inner lining of capsule
secretes synovial fluid
brings nutrients to articular cartilage
Author
bradley.knox
ID
183550
Card Set
Anatomy Arthrology Sec 6
Description
Anatomy
Updated
11/14/2012, 4:10:07 AM
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