Joints

Question 1

What are the 3 types of joint structures ?

Answer 1

Fixed/Fibrous
Slightly Moveable/Cartilaginous
Synovial

Question 2

Fixed / Fibrous joint

Answer 2

Have no cavity

Held together by fibrous connective tissue

Question 3

Slightly Moveable / Cartilaginous joint

Answer 3

No cavity
Cartilage between the bones of the joint
May be found between the vertebrae of the spine

Question 4

Synovial joint

Answer 4

Fluid filled cavity, surrounded by an articular capsule.

Articulating surfaces are covered in articular cartilage

Question 5

Structure of a synovial joint :

Synovial fluid

Answer 5

Reduces joint friction by lubrication

Maintains joint stability

Question 6

Structure of a synovial joint

Synovial membrane

Answer 6

It produces synovial fluid which lubricates the joint

Question 7

Structure of a synovial joint

Ligaments

Answer 7

A joint is where 2 bones meet, they are connected by ligaments.
They are bands of strong fibrous tissue.
Blood supply to them is very poor

Question 8

Structure of a synovial joint

Articular Cartilage

Answer 8

Smooth, tough and shiny cartilage which covers ends of bones.
Function is to protect the ends of bones and help lubricate joint movement.
It also absorbs synovial fluid.

Question 9

Structure of a synovial joint

Bursae

Answer 9

Small sac of fluid sitting between tendon and bone.

Purpose is to lubricate the movement of the tendon over the bone

Question 10

Structure of a synovial joint

Meniscus

Answer 10

Add support and cushioning to the joint

Question 11

Structure of a synovial joint

Joint capsule

Answer 11

Tough fibrous tissue surrounding joint.

Adds strength to joint and protects synovial membrane underneath.