7.5

Question 1

Name the bones of the thoracic limb from proximal to distal.

Answer 1

Scapula, humerus, ulna, radius, carpal bones, metacarpal bones, and phalanges. Some species also have sesamoid bones.

Question 2

What is the anatomical name for the shoulder blade?

Answer 2

Scapula

Question 3

What are the brachium and the antebrachium, and which bones form them?

Answer 3

The brachium is the upper forelimb between the elbow and shoulder joints formed by the humerus. The antebrachium is the forelimb formed by the radius and ulna

Question 4

On which bone is the olecranon process found? What is its purpose?

Answer 4

The olecranon process forms the point of the elbow and is on the ulna. It is the site where the tendon of the powerful triceps brachii muscle attaches.

Question 5

What are the anatomical names for the cannon bone and the splint bones in a horse?

Answer 5

The large metacarpal (cannon) bone of the horse is assumed to be what is left of metacarpal III, and the smaller splint bones on either side of it are designated as metacarpals II and IV.

Question 6

Which digit is the dewclaw on the front leg of a dog?

Answer 6

Digit 1

Question 7

What is the common name for the distal sesamoid bone in the horse?

Answer 7

Navicular bone