Bones of the Thoracic Limb

Question 1

What is the scapula also called?

Answer 1

shoulder blade

Question 2

the scapula is the basis of the shoulder region, and is described as

Answer 2

a flat bone lying over craniodorsal thorax

Question 3

how is the scapula held in place

Answer 3

by muscles

Question 4

What lies on top of the supraspinous fossa and the infraspinous fossa of the scapul?

Answer 4

muscles of the shoulder

Question 5

What does the Glenoid cavity of the scapula articulate with

Answer 5

the head of the humerus

Question 6

what is the other name for the upper arm/humerus

Answer 6

Brachium

Question 7

What does the head of the humerus articulate with?

Answer 7

glenoid cavity of the scapula

Question 8

What aspect is the greater tubercle of the humerus on?

Answer 8

lateral aspect

Question 9

What aspect is the lesser tubercle of the humerus on?

Answer 9

medial

Question 10

What muscle inserts at the deltoid tuberosity (of the humerus)

Answer 10

deltoideus muscle

Question 11

What does the olecranon fossa of the humerus contain/recieve

Answer 11

contains foramen/receives the anconeal process of the ulna

Question 12

What originates at the medial epicondyle of the humerus

Answer 12

the flexor muscles of the carpus and digits

Question 13

What originates at the lateral epicondyle

Answer 13

extensor muscles or the carpus/digits

Question 14

What does the Capitulum (lateral) of the Humerus articulate with??

Answer 14

the radius

Question 15

What does the Trochlea (medial) articulate with?

Answer 15

the radius and the ulna

Question 16

What muscles attach at the tuberosity for Teres Major on the Humerus?

Answer 16

Teres Major and Latissimus Dorsi muscles

Question 17

What originates at the Brachialis Groove of the humerus?

Answer 17

Brachialis muscle

Question 18

What attaches at the Tricipital line of the humerus?

Answer 18

Triceps muscle

Question 19

The Radius and Ulna are bones of the __________ or ____________

Answer 19

Forearm or Antebracium

Question 20

How is the Ulna and radius orientated proximally in the standing position

Answer 20

Ulna is caudal to the radius

Question 21

How is the Ulna and radius orientated distally in the standing position?

Answer 21

Ulna is lateral to the radius

Question 22

How is the radius and ulna held together?

Answer 22

by ligaments
rotational abilities

Question 23

The radius is a rod like bone that articulates with what?th

Answer 23

the distal humerus

Question 24

What does the circumferential facet of the radius articulate with?

Answer 24

the ulna

Question 25

What does the articular facet of the radius articulate with?

Answer 25

the ulna

Question 26

What structure does the Olecranon of the ulna make in a dog>

Answer 26

the proximal point of elbow

Question 27

What attaches to the Olecranon of the ulna

Answer 27

triceps muscles

Question 28

What does the anconeal process of the ulna fit into that is located on the humerus

Answer 28

the olecranon fossa of the humerus , proximal location

Question 29

What does the distal articular facet of the ulna articulate with?

Answer 29

the radius

Question 30

What does the lateral styloid process of the ulna articulate with

Answer 30

ulnar carpal bones

Question 31

carpal bones make up part of the ______ or ________

Answer 31

Forepaw or manus

Question 32

How many rows of carpal bones are there?

Answer 32

2 rows

Question 33

What carpal bones are in the proximal rows (list medial to lateral)

Answer 33

radial, intermediate, ulnar, accessory

Question 34

what carpal bones projects behind the carpus and is a landmark in a live animal

Answer 34

accessory bone

Question 35

what two bones fuse in dogs and cats and are called the intermediolateral bone

Answer 35

radial and intermediate

Question 36

what is the distal carpal bones listed as (medial to lateral)

Answer 36

Numbered 1-5 (in dogs and cats, no separate 5th bone. it is fused with the fourth)

Question 37

How many metacarpal bones are present in dogs and how are they named

Answer 37

5 present in dogs, named with Roman Numerals from medial to lateral

Question 38

What is the proximal aspect of the metacarpal bones called

Answer 38

Base Articulates with distal row of carpal bones

Question 39

What is the distal aspect of the metacarpal bones called

Answer 39

Caput Articulates with the proximal phalanx

Question 40

What dos the proximal phalanx bone articulate with?

Answer 40

Articulates with caput of metacarpal bones

Question 41

What phalanx houses claw or nail via ungual process

Answer 41

Distal Phalanx

Question 42

Where is the paired proximal sesamoid bones

Answer 42

located in metacarpophalangeal joint

Question 43

How does the radius and ulna differ in equines compared to dogs and cats

Answer 43

radius and ulna are fused

Question 44

What tendon allows cats to retract and protrude their claws

Answer 44

Deep digital flexor tendon