BIOL214 Joints

Diarthroses

Freely moveable joints.

Amphiarthroses

Slightly moveable joints.

Synarthroses

Immovable joints.

Fibrous joints

Joints held together by connective tissue.

Cartilaginous joints

Bones connected by a thin pad of cartilage.

Synovial joints

Articulations enclosed within a joint capsule, highly mobile.

Syndesmoses

Attach bones together by a tough, fibrous ligament; limited movement allowed.

Gomphosis

A short ligament attaches each tooth to the facial bone; allows for limited movement.

Sutures

Cranial bones firmly attached by interlocking with each other; no movement allowed.

Symphyses

Formed when two bones are connected by a thin pad of fibrocartilage; slight movement allowed.

Synchondroses

Articulating portion of bone is padded with hyaline cartilage; either no or slight movement allowed.

Ball-and-socket joint

Example: Glenohumeral joint.

Pivot joint

Example: Radioulnar joint.

Gliding joint

Example: Intercarpal joint.

Saddle joint

Example: Carpometacarpal joint.

Hinge joint

Example: Humeroulnar joint.

Ellipsoidal (condyloid) joint

Example: Radiocarpal joint.