blood corpuscle

A tiny mass of bioplasm, in itself a living unit and having formative power, as a living white blood corpuscle

A cell or mass of protoplasm devoid of an envelope, as a white blood corpuscle.

a third kind of blood corpuscle, supposed by some to be an early stage in the development of the red corpuscles

-- said of blood rendered transparent by the action of some solvent agent on the red blood corpuscles.

n Dutch pioneer microscopist who was among the first to recognize cells in animals and who gave the first accurate descriptions of microbes and spermatozoa and blood corpuscles (1632-1723)