The skeletal system - joints

Question 1

What are joints

Answer 1

Places of contact between a bone and another bone, cartilage or teeth.

Some joints have no movement and some are slightly moveable and some are very moveable.

Question 2

What are the three different types of joints

Answer 2

Fibrous joints
Cartilaginous joints
Synovial joints

Question 3

What are fibrous joints?

Answer 3

Bones bound closely by fibrous tissue.
Provide little or no movement.

Question 4

What are the three types of fibrous tissues.

Answer 4

A Suture (Seam) is a joint with a thin layer of fibrous layer that binds skull bones.

A Syndesmosis (band), a fibrous joint that has a bigger space than the suture and is arranged in a sheet.

A Gomphosis (bolt) is a joint that consists of a peg and a socket such as the root of a tooth.

Question 5

What are cartilaginous joints?

Answer 5

Have no synovial cavity, allowing slight or no movement.

Have two types

Question 6

What are the two types of cartilaginous joints?

Answer 6

Synchondrosis, a joint which cartilage is the connective tissue.

Symphysis, a joint in with the connecting material is fibrocartilage such as is found in the pubic symphysis.

Question 7

What are synovial joints

Answer 7

Have a synovial cavity between the articulating bones (bones of the joint) permitting the joint to move freely.

Question 8

What do many synovial joints contain?

Answer 8

Ligaments

Question 9

What are the two different types of ligaments found in synovial joints

Answer 9

Intra capsular
Extra capsular

Question 10

What are the 6 different types of synovial joints?

Answer 10

Planar - intercarpal joints
Hinge - elbow joint
Pivot - head of radius and radial notch of ulna
Condyloid - wrist joint
Saddle - joint of the thumb
Ball and socket - hip joint