nephrostomen.

Brit.

/ˈnɛfrə(ʊ)stəʊm/, U.S.

/ˈnɛfroʊˌstoʊm/

Origin: Formed within English, by compounding; probably modelled on a German lexical item. Etymons: nephro- comb. form, -stome comb. form.

Etymology: < nephro- comb. form + -stome comb. form, probably after German Nephrostom (1883 or earlier). Compare earlier nephrostoma n. at nephro- comb. form .

Zoology and Embryology.

The opening, typically funnel-shaped and ciliated, between the coelom and a nephridium or nephric tubule.

ΘΚΠ

the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > funnel-shaped aperture in kidney

nephrostome1888

nephridiostome1902

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 204 Each organ consists of a ciliated funnel or nephrostome.

1927 Proc. Royal Soc. B. 102 210 Three or four nephrostomes are anterior to the gonad.

1972 M. S. Gardiner Biol. Invertebr. xiii. 505/2 In a mixonephridium, the nephrostome has presumably become occluded and lost.

2001 New Scientist 8 Sept. 17/2 Elephant fetuses also have kidney structures, called nephrostomes, which are found in aquatic vertebrates but not land animals.

This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).

单词	nephrostome
释义	nephrostomen. Brit. /ˈnɛfrə(ʊ)stəʊm/, U.S. /ˈnɛfroʊˌstoʊm/ Origin: Formed within English, by compounding; probably modelled on a German lexical item. Etymons: nephro- comb. form, -stome comb. form. Etymology: < nephro- comb. form + -stome comb. form, probably after German Nephrostom (1883 or earlier). Compare earlier nephrostoma n. at nephro- comb. form . Zoology and Embryology. The opening, typically funnel-shaped and ciliated, between the coelom and a nephridium or nephric tubule. ΘΚΠ the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > funnel-shaped aperture in kidney nephrostome1888 nephridiostome1902 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 204 Each organ consists of a ciliated funnel or nephrostome. 1927 Proc. Royal Soc. B. 102 210 Three or four nephrostomes are anterior to the gonad. 1972 M. S. Gardiner Biol. Invertebr. xiii. 505/2 In a mixonephridium, the nephrostome has presumably become occluded and lost. 2001 New Scientist 8 Sept. 17/2 Elephant fetuses also have kidney structures, called nephrostomes, which are found in aquatic vertebrates but not land animals. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1888
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