Breast Anatomy (Task 4)

Question 1

Part of breast which extends into axillar

Answer 1

Axillary Tail of Spence

Question 2

Nerve that can be damaged by breast surgery near axilla

Answer 2

Long Thoracic Nerve (Winging of Scapular)

Question 3

Muscles which pass under the breast

Answer 3

Serratus Anterior and Pectoralis Major

Question 4

Space between breast tissue and fascia covering pectoralis major muscle

Answer 4

Retromammory Space

Question 5

Average number of lactiferous ducts per nipple

Answer 5

15-20

Question 6

Blood supply to medial breast

Answer 6

Internal Thoracic/Mammary (Branch of Subclavian)

Question 7

Blood supply to lateral breast

Answer 7

Lateral Thoracic/Mammary

Question 8

Venous drainage of breast

Answer 8

Internal Thoracic Vein and Axillary Vein

Question 9

Lymphatic drainage of breast

Answer 9

75% Axillary
20% Parasternal
5% Posterior Intercostal

Question 10

Axillary lymph nodes

Answer 10

Supraclavicular, Subscapular, Apical, Central, Anterior/Pectoral, Lateral/Humeral