pectinibranchadj.n.

Brit.

/pɛkˈtɪnɪbraŋk/, U.S.

/pɛkˈtɪnᵻˌbræŋk/

Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: pectini- comb. form, -branch comb. form.

Etymology: < pectini- comb. form + -branch comb. form, after French pectinibranche (1817 in Cuvier as noun, 1866 or earlier as adjective in the source translated in quot. 1868 for pectinibranchial adj. at pectini- comb. form ). Compare scientific Latin Pectinibranchia (attributed to G. A. Goldfuss by A. Férussac Animaux mollusques (1819) I. p. xxxiv). With the adjective compare earlier pectinibranchial adj. at pectini- comb. form , pectinibranchiate adj., pectinibranchous adj. at pectini- comb. form , and pectinibranchian n. and adj. at pectini- comb. form . With the noun compare earlier pectinibranchian n. and adj. at pectini- comb. form , pectinibranchiate n.

Zoology.

A. adj.

Relating to, characterized by, or designating a type of gill structure found in mesogastropod and neogastropod molluscs, in which parallel filaments are borne along one side of the gill axis; (of a gill) monopectinate. Also: of or relating to a subclass or order Pectinibranchia in which these molluscs are placed in some classifications. Cf. pectinibranchiate adj. and n.

ΚΠ

1890 Cent. Dict. Pectinibranch, having pectinate branchiæ, or comb-like gills; of or pertaining to the Pectinibranchia.

1910 Encycl. Brit. XI. 511/1 The introverted rostrum of the Pectinibranch Gastropods present..a limited range of movement.

1939 Philos. Trans. (Royal Soc.) B. 230 135 Certain pectinibranch Gastropoda have, independently, adapted the ctenidia as ciliary feeding organs.

1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) viii. 217/2 Order 2. Mesogastropoda..: Mainly have pectinibranch gills: a much more elaborate and efficient system than the aspidobranch condition, which permits free flow of water through the mantle cavity.

B. n.

A pectinibranch mollusc. Now rare.

ΚΠ

1890 Cent. Dict. Pectinibranch, a pectinibranch gastropod.

1910 Encycl. Brit. XI. 513/1 There is but very little food-material in the egg of this Pectinibranch.

1947 Philos. Trans. (Royal Soc.) B. 232 495 In the pectinibranchs..the ctenidial axis becomes fused with the mantle wall from which the single row of filaments extend.

1961 J. L. Cloudsley-Thompson & J. Sankey Land Invertebr. xii. 136 There are only two species of land Pectinibranchs in the British Isles.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pectinibranch
释义	pectinibranchadj.n. Brit. /pɛkˈtɪnɪbraŋk/, U.S. /pɛkˈtɪnᵻˌbræŋk/ Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: pectini- comb. form, -branch comb. form. Etymology: < pectini- comb. form + -branch comb. form, after French pectinibranche (1817 in Cuvier as noun, 1866 or earlier as adjective in the source translated in quot. 1868 for pectinibranchial adj. at pectini- comb. form ). Compare scientific Latin Pectinibranchia (attributed to G. A. Goldfuss by A. Férussac Animaux mollusques (1819) I. p. xxxiv). With the adjective compare earlier pectinibranchial adj. at pectini- comb. form , pectinibranchiate adj., pectinibranchous adj. at pectini- comb. form , and pectinibranchian n. and adj. at pectini- comb. form . With the noun compare earlier pectinibranchian n. and adj. at pectini- comb. form , pectinibranchiate n. Zoology. A. adj. Relating to, characterized by, or designating a type of gill structure found in mesogastropod and neogastropod molluscs, in which parallel filaments are borne along one side of the gill axis; (of a gill) monopectinate. Also: of or relating to a subclass or order Pectinibranchia in which these molluscs are placed in some classifications. Cf. pectinibranchiate adj. and n. ΚΠ 1890 Cent. Dict. Pectinibranch, having pectinate branchiæ, or comb-like gills; of or pertaining to the Pectinibranchia. 1910 Encycl. Brit. XI. 511/1 The introverted rostrum of the Pectinibranch Gastropods present..a limited range of movement. 1939 Philos. Trans. (Royal Soc.) B. 230 135 Certain pectinibranch Gastropoda have, independently, adapted the ctenidia as ciliary feeding organs. 1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) viii. 217/2 Order 2. Mesogastropoda..: Mainly have pectinibranch gills: a much more elaborate and efficient system than the aspidobranch condition, which permits free flow of water through the mantle cavity. B. n. A pectinibranch mollusc. Now rare. ΚΠ 1890 Cent. Dict. Pectinibranch, a pectinibranch gastropod. 1910 Encycl. Brit. XI. 513/1 There is but very little food-material in the egg of this Pectinibranch. 1947 Philos. Trans. (Royal Soc.) B. 232 495 In the pectinibranchs..the ctenidial axis becomes fused with the mantle wall from which the single row of filaments extend. 1961 J. L. Cloudsley-Thompson & J. Sankey Land Invertebr. xii. 136 There are only two species of land Pectinibranchs in the British Isles. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < adj.n.1890
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