lymphatic system vs lymph cell

lymphatic system and lymph cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
lymphatic system	Yes	No	No	No
lymph cell	Yes	No	No	No

lymphatic system (noun)	lymph cell (noun)
the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body	an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection