nectocalyxn.
/ˌnɛktə(ʊ)ˈkeɪlɪks/, /ˌnɛktə(ʊ)ˈkalɪks/, U.S. /ˌnɛktoʊˈkeɪlɪks/ Zoology. Now rare.
= nectophore n.
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the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of > swimming bell
nectocalyx1859
swimming-bell1861
1859 T. H. Huxley Oceanic Hydrozoa 15 The presence of the valvular membrane at once distinguishes a nectocalyx from an umbrella.
1876 Philos. Trans. (Royal Soc.) 166 274 I must here record one exception to the numberless instances in which excision of the margins of naked-eyed Medusæ caused paralysis of the nectocalyces.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 773 A furrow or canal formed at the side of the distal nectocalyx.
1940 T. J. Parker & W. A. Haswell Text-bk. Zool. (ed. 6) I. 154 Below the last nectocalyx the character of the structures borne by the stem changes completely.
1963 G. A. Kerkut Borradaile & Potts's Invertebrata (rev. ed.) v. 163 The succeeding medusiform individuals resemble the bell of an anthomedusa, with velum, musculature and canal system but lacking the manubrium, and they are called nectocalyces.
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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