medulla vs cortex

medulla and cortex both are nouns.

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

medulla (noun)	cortex (noun)
the inner part of an organ or structure in plant or animal	the tissue forming the outer layer 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)	the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum
a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers	the tissue that surrounds the lens nucleus