Axillary Lymph Nodes

Question 0

How many nodes are in each of the five primary groups?

Answer 0

pectoral: 3-5
subscapular: 6-7
humeral: 4-6
central: 3-4
apical: no number

Question 1

What are the five principle groups of axillary lymph nodes?

Answer 1

pectoral, subscapular, humeral, central, and apical

Question 2

What is the flow of the five groups of axillary lymph nodes?

Answer 2

Efferent lymphatics from humeral, subscapular, and pectoral pass to the central node.
Apical nodes receive lymph from all. (from central)