Anatomy

Question 1

What muscles does the breast tissue lay on top of?

Answer 1

Pectoralis major and the serratus anterior

Question 2

Breast is composed of 2 regions - what are they called?

Answer 2

Circular body and the Axillary Tail

Question 3

What is the name of the tissue immediately surrounding the nipple?

Answer 3

Areolae

Question 4

Structure of mammary glands

Answer 4

Modified sweat glands consisting of a series of ducts and lobules (15-20)

Each lobule contains many alveoli that drain via a single lactiferous duct

Question 5

Main artery supplying blood to the breast

Answer 5

Internal mammary artery (branch of the subclavian artery)

Question 6

Where does the majority of lymph from the breast drain?

Answer 6

Axillary lymph nodes (75%)

Question 7

Names of the 5 types of Axillary lymph nodes

Answer 7

Pectoral

Apical

Lateral

Central

Posterior

Question 8

What are the 4 quadrants of the breast?

Answer 8

Upper outer quadrant

Upper inner quadrant

Lower outer quadrant

Lower inner quadrant