Joints

Question 1

An immobile or nearly immobile joint

Answer 1

synarthrosis

Question 2

A joint with limited mobility

Answer 2

amphiarthrosis

Question 3

A freely movable joint

Answer 3

diarthrosis

Question 4

What are the functional sub-classifications of diarthrotic joints?

Answer 4

uniaxial (single plane), biaxial (2 planes), multiaxial (3 planes)

Question 5

What is a suture joint?

Answer 5

A fibrous joint that tightly binds together adjacent flat bones of the skull

Question 6

What is a syndesmosis?

Answer 6

Fibrous joint between two parallel bones

Question 7

What kind of joint fastens the teeth to the jaw bones?

Answer 7

Gomphosis

Question 8

What type of cartilaginous joint is connected with hyaline cartilage?

Answer 8

Synchondrosis

Question 9

What type of cartilaginous joint is connected with fibrocartilage?

Answer 9

Symphysis

Question 10

What type of joint is the epiphyseal (growth) plate of long bones?

Answer 10

Temporary synchondrosis

Question 11

Give an example of a permanent synchondrosis.

Answer 11

Sternocostal joint

Question 12

Give an example of a symphysis.

Answer 12

Pubic symphysis
Intervertebral symphysis

Question 13

What is the functional classification of symphises?

Answer 13

Amphiarthrosis

Question 14

What are the characteristics of a synovial joint?

Answer 14

Smooth cartilage at the articular surfaces of the bones and a fluid-filled joint cavity

Question 15

What is the purpose of synovial fluid?

Answer 15

Lubricates synovial joints, provides nutrients to avascular articular cartilage

Question 16

What are bursae?

Answer 16

fluid-filled sacs that reduce friction between adjacent structures (skin, tendons, muscles) around joints

Question 17

List the structural sub-classifications of synovial joints?

Answer 17

Pivot, ball-and-socket, hinge, condyloid, saddle, plane