Lecture 10: Organization Of Thoracic Limb And Scapula

Question 1

Brachium =

Answer 1

Arm

Question 2

Antebrachium =

Answer 2

Forearm

Question 3

Carpus =

Answer 3

Wrist

Question 4

Manus =

Answer 4

Forepaw

Question 5

What joint is the yellow circle

Answer 5

Shoulder joint
- Glenn huméral joint

Question 6

What joint is in pink

Answer 6

Elbow - huméral ulnar and radio-huméral joints

Question 7

What joint is in green

Answer 7

Wrist - radio-carpal; inter carpal; carpo-metacarpal joints

Question 8

What joint is in brown

Answer 8

Metacarpal-phalangeal joints

Question 9

What are the three elements of the pectoral girdle found in reptiles and birds

Answer 9

Scapula
Coracoid
Clavicle

Question 10

In mammals, the clavicle connects limbs to the _____

Answer 10

Thorax

Question 11

In most quadrupedal mammals, is the clavicle intact?

Answer 11

• no, reduced or absent
• no bony attachment of limb to axial skeleton

Question 12

What composes the Gleno-humeral joint?

Answer 12

Head of humerus (blue)
Glenoid of scapula (pink)

Question 13

What are the extrinsic muscles of the shoulder

Answer 13

• trapezius
• omnotransversarius
• rhomboideus
• serratus ventralis
• brachiocephalicus
• pectoralis superficialis
• pectoralis profundis
• latissimus dorsi

Question 14

What spinal cord segments are associated w/ the suprascapular musculocutaneous nerve

Answer 14

C6 and C7

Question 15

What spinal cord segments are associated w/ the axillary nerve

Answer 15

C7 and C8

Question 16

What spinal cord segments are associated w/ the radial nerve

Answer 16

C7, C8, T1

Question 17

What spinal cord segments are associated w/ the median ulnar nerve

Answer 17

C8 and T1

Question 18

The axillary artery is a continuation of the ?

Answer 18

Subclavian artery

Question 19

The brachial a. Is a continuation of the ?

Answer 19

Axillary artery

Question 20

What do the branches of the brachial artery supply ?

Answer 20

Arm and proximal forearm

Question 21

What do the branches of the axillary artery supply

Answer 21

Scapula, axillary and proximal humerus

Question 22

The median artery is the continuation of the ______ into the forelimbs

Answer 22

Median artery is a continuation of the brachial artery

Question 23

The branches of the carpal and metacarpal arteries supply ?

Answer 23

Palmar foot

Question 24

The common interosseous a. Is the last branch of the ______ artery

Answer 24

Brachial

Question 25

The median artery is a continuation of the ______ into the forelimbs

Answer 25

Branchial artery