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polymorphonuclear

[ pol-ee-mawr-fuh-noo-klee-er, -nyoo-or, by metathesis, -kyuh-ler ]

adjective

, Cell Biology.
  1. (of a leukocyte) having a lobulate nucleus.


polymorphonuclear

/ ˌpɒlɪˌmɔːfəʊˈnjuːklɪə /

adjective

  1. (of a leucocyte) having a lobed or segmented nucleus See also polymorph
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Pronunciation Note

See nuclear.
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Word History and Origins

Origin of polymorphonuclear1

First recorded in 1895–1900; poly- + morpho- + nuclear
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Example Sentences

The polymorphonuclear leukocytes are taken as the type of the group, because they are by far the most numerous.

Polymorphonuclear leukocytes are formed in the bone-marrow from neutrophilic myelocytes.

The decrease affects chiefly the polymorphonuclear cells, so that the lymphocytes are relatively increased.

Predominance of polymorphonuclear leukocytes (pus-corpuscles) points to an acute infectious process (Fig. 117).

The polymorphonuclear leucocytes are large cells, about 20µ; no definite granules can be observed.

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polymorphismpolymorphous