cho·an·o·cyte 
(k

-

n


-s

t

)
KEY NOUN: - One of a layer of flagellated cells lining the body cavity of a sponge and characterized by a collar of cytoplasm surrounding the flagellum.
Also called
collar cell.
ETYMOLOGY:Greek
khoan
,
funnel (from
khein,
to pour; see
gheu- in Indo-European roots) +
-cyte