adrenal medulla vs medulla

adrenal medulla and medulla both are nouns.

Word	Noun	Adjective	Verb	Adverb
adrenal medulla	Yes	No	No	No
medulla	Yes	No	No	No

As nouns, medulla is a hypernym of adrenal medulla; that is, medulla is a word with a broader meaning than adrenal medulla:

Other hypernyms of adrenal medulla include ductless gland, endocrine, endocrine gland.

adrenal medulla (noun)	medulla (noun)
the medulla of the adrenal gland; secretes epinephrine	the inner part of an organ or structure in plant or animal
	lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)
	a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers