fixed phagocyte vs phagocyte

fixed phagocyte and phagocyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
fixed phagocyte	Yes	No	No	No
phagocyte	Yes	No	No	No

As nouns, phagocyte is a hypernym of fixed phagocyte; that is, phagocyte is a word with a broader meaning than fixed phagocyte:

fixed phagocyte: a phagocyte that does not circulate in the blood but is fixed in the liver or spleen or bone marrow etc.
phagocyte: a cell that engulfs and digests debris and invading microorganisms

Other hypernyms of fixed phagocyte include scavenger cell.

fixed phagocyte (noun)	phagocyte (noun)
a phagocyte that does not circulate in the blood but is fixed in the liver or spleen or bone marrow etc.	a cell that engulfs and digests debris and invading microorganisms