Exercise 13 Study Set

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1

What are the 2 functions of the joints (articulations)?

1) Hold the bones together
2) Allow the rigid skeletal system some flexibility so that gross body movements can occur

2

Joints to the left of the skeleton are?

Cartilaginous joints

3

Joints above and below the skeleton are?

Fibrous joints

4

Joints to the right of the skeleton are?

Synovial joints

5

Immovable joints are classified as?

Synarthroses

6

Slightly movable joints are classified as?

Amphiarthroses

7

Freely movable joints are classified as?

Diarthroses

8

Fibrous joints

Joined by fibrous tissue, no joint cavity, some joints are slightly movable but most are synarthrotic and permit no movement.

9

2 major types of fibrous joints?

Sutures and syndesmoses

10

Sutures

The irregular edges of the bones interlock and are united by very short connective tissue fibers; most joints in the skull.

11

Syndesmoses

The articulating bones are connected by short ligaments of dense fibrous tissue; bones don't interlock.

12

Gomphosis

Tooth is secured in a bony socket by the periodontal ligament.