axillary node vs lymph gland

axillary node and lymph gland both are nouns.

Word	Noun	Adjective	Verb	Adverb
axillary node	Yes	No	No	No
lymph gland	Yes	No	No	No

As nouns, lymph gland is a hypernym of axillary node; that is, lymph gland is a word with a broader meaning than axillary node:

axillary node: any of the lymph glands of the armpit; fights infections in the neck and chest and arm regions
lymph gland: the source of lymph and lymphocytes

Other hypernyms of axillary node include lymph node, node.

axillary node (noun)	lymph gland (noun)
any of the lymph glands of the armpit; fights infections in the neck and chest and arm regions	the source of lymph and lymphocytes