Root of Neck, Axilla and Breast

Question 1

Answer 1

Question 2

Vertebral Artery Triangle

Answer 2

Inferior border is clavicle
Lateral border is anterior scalene
Medial doesn’t really matter

Question 3

Terminal branches formed from posterior cord (brachial plexus)

Answer 3

2 (Axillary & Radial)

Question 4

Boundaries of the Axilla

Answer 4

Question 5

Components of the axillary apex

Answer 5

Between posterior border of clavicle, superior border of scapula and external border of first rib

Question 6

Components of the axillary lateral side

Answer 6

Humerus, coracobrachialis, biceps brachii

Question 7

Components of the axillary medial side

Answer 7

Ribs 1-5 with muscles and part of serratus anterior

Question 8

Components of the axillary Anterior wall

Answer 8

Pectoralis major and minor

Question 9

Components of the axillary posterior wall

Answer 9

Subscapularis above, teres major and latissimus dorsi below

Question 10

Components of the axillary base

Answer 10

Axillary Fascia

Question 11

Subscapularis

Answer 11

Attaches at Subscapular fossa to lesser tubercle of humerus

Question 12

Teres Major

Answer 12

**Attaches at lateral/inferior scapular border to Intertubercular sulcus

Question 13

Latissimus Dorsi

Answer 13

Question 14

Contents of the Axilla

Answer 14

Axillary Lymph Nodes
Vessels (Axillary Artery/Vein)
Brachial plexus
Musculature/tendons

Question 15

3 Parts of the Axillary Artery

Answer 15

What is before the pec minor, behind it, and after it

Question 16

Humeral Circumflex Artery

Answer 16

Question 17

Brachium

Answer 17

Upper segment of the arm extending from the shoulder to the elbow

Question 18

Antebrachium

Answer 18

Forearm

Question 19

Brachial Artery

Answer 19

What the axillary artery is renamed to when it reaches the brachium

Question 20

**They are all veins

Answer 20

.

Question 21

Cephalic Vein

Answer 21

Superficial Vein travelling between deltoid and pectoralis major

Question 22

What does cephalic vein drain into

Answer 22

Axillary Vein

Question 23

Deltopectoral Triangle

Answer 23

Used for vein palpation

Question 24

Axillary Lymph Nodes

Answer 24

Don’t memorise every single one but just appreciate the path

Question 25

Mammary Glands

Answer 25

Modified sweat glands that secrete milk

Question 26

Components of Breast

Answer 26

(Don't need to memorise every detail)

Question 27

Which arteries supply breast tissue

Answer 27

``` Internal Mammary Artery Axillary Artery Superior Thoracic Artery Lateral Thoracic Artery Thoracordorsal Artery Acriomiothoracic Artery ```

Question 28

Which veins drain breast tissue

Answer 28

Lateral Thoracic Vein | Internal Mammary Vein

Question 29

Where does the internal mammary artery originate/where does the internal mammary drain into

Answer 29

Subclavian artery/vein

Question 30

Vaguely describe breast lymphatics

Answer 30

If near the axilla, we have axillary nodes If near subscapularis, we have drainage into the subscapular node We end up in deep axillary nodes which drain into supraclavicular nodes that go into lymphatic trunks **DONT MEMORISE