rheoreceptorn.
/ˈriːə(ʊ)rᵻsɛptə/, U.S. /ˈrioʊriˌsɛptər/ Zoology.
A sensory receptor that is sensitive to the flow of surrounding water.
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rheoreceptor1928
1928 H. E. Walter Biol. Vertebr. xx. 677 Certain cutaneous sense organs, arranged around the head and down the sides of the body of fishes and aquatic amphibians, are termed rheoreceptors, or current receptors.
1971 J. D. Carthy in J. E. Smith et al. Invertebr. Panorama x. 220 (caption) A section through the head of the flatworm Mesostoma to show four of the eight rheoreceptors.
2002 R. B. Chase Behavior & its Neural Control in Gastropod Molluscs vi. 114 Rheoreceptors (sensory cells sensitive to water flow) are probably concentrated in the lateral and/or ventral region of the oral veil.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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n.1928