A&P - Chapter 14 (Part 2)

Question 1

What are 7 joint structures?

Answer 1

1. Joint capsule
2. Synovial membrane
3. Articular cartilage
4. Joint cavity
5. Menisci
6. Ligaments
7. Bursae

Question 2

Joint capsule

Answer 2

Sleeve-like casing around ends of the 2 joining bones

Question 3

What are joint capsules made of?

Answer 3

Tough, strong fibrous connective tissue

Question 4

What are joint capsules lined with?

Answer 4

Synovial membranes

Question 5

Where are joint capsules attached?

Answer 5

Firmly attached to the shaft of each bone at the periosteum

- extension of the periosteum

Question 6

What does the joint capsule provide?

Answer 6

Very secure attachment while allowing movement at the joint

Question 7

Synovial membrane

Answer 7

Lining of the joint capsule

Question 8

What does the synovial membrane secrete?

Answer 8

Synovial fluid

Question 9

What does synovial fluid do? (2)

Answer 9

1. Lubricates the joint

2. Nourishes the joint

Question 10

What do synovial membranes facilitate?

Answer 10

Movement

Question 11

Articular cartilage

Answer 11

Thin layer of hyaline cartilage

Question 12

What is the physical characteristic of articular cartilage? (2)

Answer 12

1. Rubbery

2. Smooth

Question 13

Where is articular cartilage located?

Answer 13

Covers the ends of the bones at joints

Question 14

What does articular cartilage do? (2)

Answer 14

1. Decreases friction

2. Absorbes jolts

Question 15

Joint cavity

Answer 15

Small space between articulating surfaces of the 2 bones of the joint

Question 16

What is another word for menisci?

Answer 16

Articular disk

Question 17

Menisci

Answer 17

Pads of fibrocartilage between articulating bones of some diarthrotic joints

Question 18

What does the menisci normally do?

Answer 18

Divides joint cavity into 2 separate spaces

Question 19

Where is the menisci most common?

Answer 19

In the knee

Question 20

What kind of cartilage do you find in the knee?

Answer 20

Compact cartilage

Question 21

What does the menisci allow?

Answer 21

More flexibility between 2 bones

Question 22

What are ligaments made of?

Answer 22

Bands made of tough, fibrous connective tissues

Question 23

Where do ligaments originate from?

Answer 23

The periosteum

Question 24

What do ligaments do?

Answer 24

Attach bones together

Question 25

Bursae

Answer 25

Synovial fluid-filled sacs that cushion some ‘boney’ joints to cushion joint and facilitate tendon movement