Thoracic Limb Osteology

Question 1

pectoral girdle

Answer 1

scapula and clavicle

Question 2

brachium

Answer 2

humerus

Question 3

antebrachium

Answer 3

radius and ulna

Question 4

manus

Answer 4

carpus
metacarpus
digit

Question 5

differences dog vs cat

Answer 5

more established clavicle
larger coracoid process on scapula & 2 parts to acromion
smaller supracondylar foramen and olecranon fossa on humerus which is used as a canal for median nerve and brachial artery
-dogs supracondular foramen does not allow anything to pass through

Question 6

right vs left scapula

Answer 6

spine faces out, cranial angle faces upward

Question 7

right vs left radius

Answer 7

styloid process on the left if right radius and vice versa

Question 8

right vs left ulna

Answer 8

medial coronoid process on right side if right ulna and vice versa

Question 9

how many digits and phalanx

Answer 9

5 digits and 14 phalanx

Question 10

distal phalanx

Answer 10

thin shelf of bone and ungual crest overlaps claw and forms band of bone around claw

Question 11

proximal sesamoid

Answer 11

2 on palmar surface of each metacarpophalangeal joint

Question 12

distal sesamoid

Answer 12

4 in common digital extensor tendons