Unit 5- Arthrology

Question 1

joint

Answer 1

formed when two or more skeletal structures are united to each other or to teeth by connective tissue

Question 2

simple joint

Answer 2

joint with only two skeletal components

Question 3

composite/ complex joint

Answer 3

a joint with 3 or more skeletal structures

Question 4

fibrous joint

Answer 4

have fibrous connective tissue uniting the skeletal components

Question 5

syndesmoses

Answer 5

fibrous joint with a significant amount of uniting connective tissue

Question 6

sutures

Answer 6

fibrous joint between flat bones of the skull

Question 7

serrated suture

Answer 7

sagittal suture

Question 8

squamous suture

Answer 8

between parietal bone and squamous portion of the temporal bone on each side

Question 9

planar suture

Answer 9

no overlapping and no interlocking bones

Question 10

schindylesis

Answer 10

thin plate of one bone articulates in a cleft of another one as in articulation of the ethmoid bone and vomer

Question 11

cartilaginousjoint

Answer 11

skeletal components of cartilaginous joints united by cartilage

Question 12

hyaline cartilage joint

Answer 12

epiphyseal cartilages (physes) in growing bones

Question 13

fibrocartilage joint

Answer 13

secondary joints, pubic symphysis, intervertebral symphyses and manubriosternal symphysis

Question 14

synovial joint

Answer 14

7 subtypes based on the shape of articulating surfaces and type of movement they allow

Question 15

ball & socket joint

Answer 15

“ball” shoulder joint and hip joint

Question 16

ellipsoid or condylar joint

Answer 16

radiocarpal joint -no rotation-

Question 17

bicondylar joint

Answer 17

knee joint

Question 18

hinge joint

Answer 18

elbow and interphalangeal joints *movement only in 1 plane

Question 19

trochoid (pivot) joint

Answer 19

rotation in 1 plane

Question 20

saddle joint

Answer 20

between incus and malleus, first carpometacarpal joint

Question 21

planar joint

Answer 21

sliding joint, intercarpal and intertarsal joints

Question 22

synostosis or bony union

Answer 22

bone tissue replaces the fibrous connective tissue and or cartilage originally present

Question 23

articular (joint) capsule

Answer 23

see picture

Question 24

articular cavity

Answer 24

the space formed by articular capsule

Question 25

synovial membrane

Answer 25

lines the inside of the joint capsule *fills cavity

Question 26

articular cartilage

Answer 26

end of bone

Question 27

ligaments

Answer 27

connective tissue proper structures extending from one skeletal component to another to reinforce in most synovial joints

Question 28

capsular ligaments

Answer 28

regional thickening in the fibrous portion of the joint capsule

Question 29

intercapsular ligamens

Answer 29

ligaments inside the joint capsule

Question 30

extracapsular ligamens

Answer 30

nearly all synovial joins have well-developed ligaments outside and clearly separated from joint capsule

Question 31

articular discs

Answer 31

found in radiocarpal joint, acromioclavicular joints, sternoclavicular joints and temporomandibular joints

Question 32

articular menisci

Answer 32

c shaped, knee joint had two (medial and lateral)

Question 33

joints of the superior limb

Answer 33

5 bones forming the pectoral girdle

Question 34

sternoclavicular joint

Answer 34

planar joint between the sternal extremity of the clavicle

Question 35

acromioclavicular joint

Answer 35

between the acromion of the scapula and acromial extremity of the clavicle

Question 36

shoulder joint

Answer 36

between glenoid cavity of the scapula and the head of the humerus

Question 37

elbow joint

Answer 37

formed by the humeral condyle and the proximal ends of the radius and the ulna

Question 38

humeroulnar joint

Answer 38

notch of the ulna and the trochlea of the humeral condyle

Question 39

humeroradial joint

Answer 39

humeral condyle and the fovea articularis of the radial head

Question 40

proximal radioulnar joint

Answer 40

radial notch of the ulna and the articular circumference of the radial head

Question 41

pradioulnar syndesmosis

Answer 41

side to side