parvocellularadj.
/ˌpɑːvəʊˈsɛljᵿlə/, U.S. /ˌpɑrvoʊˈsɛljələr/ Anatomy and Zoology.
Consisting of, designating, or relating to small cells, spec. neurons with small cell bodies.
ΚΠ
1942 F. A. Mettler Neuroanat. xiii. 302 The magnocellular portion [of the red nucleus] gives rise to the long rubrospinal tract, while the parvocellular gives rise to shorter fibers constituting what is known as the rubrocervical tract.
1971 Proc. Royal Soc. B. 179 32 This layer begins by an abrupt transition from the parvo-cellular layer I to a zone containing closely packed pyramidal cells.
1988 Nature 6 Oct. 489/3 Cells in the geniculate's parvocellular division are more sensitive to colour and have higher acuity.
2002 European Jrnl. Neurol. 9 359 These results are suggestive of deficiency within the parvocellular pathway rather than the magnocellular pathway.
This is a new entry (OED Third Edition, June 2005; most recently modified version published online March 2022).
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