MEDI100: Lecture Notes Wk2 Articulations (Joints)

These flashcards cover key terms and their definitions related to the classification and anatomy of joints as discussed in the MEDI100 lecture on articulations.

Articulations/joints

Sites where two or more bones meet, providing mobility and stability to the skeleton.

Fibrous joints

Joints connected by fibrous connective tissue, characterized by no joint cavity and limited movement.

Cartilaginous joints

Joints connected by cartilage with slight movement and no joint cavity.

Synovial joints

Joints characterized by a joint cavity filled with synovial fluid, allowing for a wide range of movements.

Synarthroses

Functional classification of joints that are immovable.

Amphiarthroses

Functional classification of joints that are slightly movable.

Diarthroses

Functional classification of joints that are freely movable.

Suture

A type of fibrous joint where bones are joined by interconnecting fibers, typically found in the skull.

Syndesmosis

A fibrous joint held together by a ligament with longer fibrous tissue than in sutures.

Gomphosis

A fibrous joint where the periodontal ligament holds teeth in their sockets.

Epiphyseal plate

A cartilaginous joint in children that allows for the growth of long bones.

Bursae

Flattened fibrous sacs filled with synovial fluid that reduce friction in synovial joints.

Tendon sheath

An elongated bursa that encases a tendon to provide padding and reduce friction.

Ligament

Dense connective tissue that stabilizes joints and connects bone to bone.

Gliding joint

A type of synovial joint that allows sliding movements, such as between carpal bones.

Hinge joint

A synovial joint that allows movement in one plane, such as in the elbow.

Pivot joint

A synovial joint that allows rotation around an axis, such as between the atlas and axis.

Ball-and-socket joint

A type of synovial joint allowing for rotational movement in multiple directions, like the shoulder joint.

Anterior longitudinal ligament

A ligament in the vertebral column that limits extension.

Interspinous ligament

A ligament that runs between the spinous processes of adjacent vertebrae, helping to limit flexion.

Cervical region

The upper section of the spine, which allows for movement and supports the head.

Costovertebral joints

Joints where ribs attach to the vertebral bodies, allowing for movement during breathing.

Acetabulofemoral joint

The hip joint formed where the acetabulum of the pelvis meets the head of the femur.