Niemann-Pick cell

~noun

Entry: a rounded or polygonal mononuclear with indistinctly or palely staining, foamlike cytoplasm that contains numerous droplets of sphingomylein; it is characterized of Niemann-Pick disease.

Etymology: Named after German physician Albert Niemann (d. 1921) and Ludwig Pick (d. 1944).

@ Milton-Kindersley Advanced Dictionary