Lesson 4

Question 1

a place where two bones meet

Answer 1

Joint/Articulations

Question 2

immovable joints
tightly joint, no synovial joint and fluid

Answer 2

Fibrous Joint/Synarthroses

Question 3

movement occurs in fetuses and young children

Answer 3

Suture/skull type

Question 4

• connective tissue replaced by bones and they become permanently fused
• sealed joint

Answer 4

Synastosis

Question 5

• bones are close together but not touching
• held by collagenous fibers
  radius, ulna

Answer 5

Syndesmoses

Question 6

• fibrous joints made up of peg and socket
  root of tooth

Answer 6

Gomphoses

Question 7

• slightly movable joints
• united by a plate of hyaline cartilage or fibrocartilage disc

Answer 7

Cartilaginous joints/Amphiarthroses

Question 8

• primary cartilaginous joint
• joint composed of epiphyseal plate of hyaline cartilage that joins the diaphysis and epiphysis
• growth, not movement

Answer 8

Synchondroses

Question 9

• adult synchondroses replaced by bone

Answer 9

synostosis

Question 10

• few synchondroses are not replaced by bone

Answer 10

sternoclavicular joint

Question 11

• secondary synchondrosis
• two bony surfaces are covered by thin layer of hyaline cartilage

Answer 11

Symphyses

Question 12

• freely movable joints
• end of bones are covered with articular cartilage
• joint is lubricated by synovial joint
• enclosed by a flexible articular capsule

Answer 12

Synovial Joints/Diarthroses

Question 13

Structures of synovial joints

Answer 13

SAALT-BT
synovial cavity/joint cavity
articularly cartilage
articular capsule
ligaments
tendon
bursae
tendon sheathes

Question 14

• contains synovial membrane that secretes synovial joint

Answer 14

synovial cavity

Question 15

• covers epiphysis
• reduce friction
• end of long bones
• shock absorber
• cannot replace itself when destroyed

Answer 15

articularly cartilage

Question 16

• fibrous capsule that lines synovial cavity
• pliable -> permits movement

Answer 16

articular capsule

Question 17

• connect bone to adjacent bone
• rich supply of sensory nerves
• inelastic but permits movement

Answer 17

Ligaments

Question 18

• attached bone to bone

Answer 18

Tendon

Question 19

• flattened sacs
• cushion certain muscles
• filled with synovial fluid

Answer 19

Bursae

Question 20

• long cylindrical sacs filled with synovial fluid
• reduce friction at joint surfaces
• found in wrist, palms, fingers

Answer 20

Tendon Sheathes

Question 21

accesory ligaments

Answer 21

extracapsular and intracapsular

Question 22

articular disc

Answer 22

menisci

Question 23

Types of synovial joints

Answer 23

Hinge
Pivot
Saddle
Condyloid
Ball and socket
Gliding

(He put some candy bags and gums)

Question 24

• joint capable of extension and flexion
• elbow, knees, fingers

Answer 24

Hinge

Question 25

- able to rotate around central axis - C1 and C2 of head

Answer 25

Pivot

Question 26

- saddle shaped - found only between the metacarpal and carpal bones - between trapezium and metacarpal of thumb

Answer 26

Saddle

Question 27

- elongated ball and socket joint found in the atlas and occipital bone - two direction - between radius and scaphoid and lunate - "knuckles"

Answer 27

Condyloid

Question 28

- allows movement in many directions - shoulder joint

Answer 28

Ball and socket

Question 29

- composed of flat articular surfaces so that a bone slides to another - joint of the wrist and ankles

Answer 29

Gliding