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Definition of: corpuscle
(kôr′pəs·əl, -pus·əl) noun
1. A minute particle of matter; molecule; atom; electron.
2. Biol. a Any protoplasmic granule of distinct shape or characteristic function. b One of the particles forming part of the blood of vertebrates, either a red corpuscle containing hemoglobin for oxygen transport, or a white corpuscle, known as a leukocyte. Also cor·pus·cule (kôr·pus′ky
l). [<L corpusculum, dim. of corpus body]
—cor·pus·cu·lar (kôr·pus′kyə·lər) adjective
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