uropodn.

/ˈjʊərəʊpɒd/

Etymology: < uro- comb. form² + Greek πούς, ποδ- foot.

Zoology.

Originally: any abdominal appendage of a crustacean. Now spec. each of the sixth and last pair of abdominal appendages of malacostracan crustacea, which together form part of the tail fan in lobsters.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > abdominal appendage

swimmeret1840

pleopod1856

pleopodite1877

uropod1893

the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Malacostraca > division Thoracostraca > order Decapoda > suborder Macrura > abdominal appendage of lobster

uropod1933

1884 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Protozoa to Insecta x. 454 The three posterior pairs of abdominal feet (uropoda) are well developed and often much elongated.]

1893 T. R. R. Stebbing Hist. Crustacea iv. 46 In Amphipoda the fourth and fifth pairs [of abdominal appendages] are more or less adapted for springing, and bear the name of uropods, or tail-feet. This name is also given to the appendages of the twentieth segment whenever they are present.

1933 R. H. Wolcott Animal Biol. xlii. 251 The appendages of the last abdominal segment [of the crayfish] are broad and flat and are called uropods.

1974 Encycl. Brit. Macropædia V. 547/1 In hermit crabs the uropods are modified into structures that help to hold the abdomen of the crab in the gastropod shell in which it lives.

This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2019).

combining form of Greek οὐρά tail, occurring in many terms of comparative anatomy, etc. (of which the more important are entered in their places below), designating or relating to a posterior, caudal, or tail-like part, region, segment, or process, as urogaster, uromere, uropod, uropteran, urosome, urosomite, urosteon, uroternite nouns; urochordal, urogastric, uropodal, uropyloric, urosacral, urostylar adjs. Various other examples are entered in some special dictionaries, as uromeric, uroplatoid, urosomatic, urostegal, urostege, urostegite, urosthene, urosthenic, etc.

a1827 Encycl. Metrop. (1845) XVII. 595/1 Decapoda. The hinder part of the body, which Latreille calls the post-abdomen, or Urogaster, but which is usually though erroneously called the tail. [Hence in Mayne, etc.]

1842 W. T. Brande Dict. Sci., Lit. & Art 1278/2 Uropterans, Uroptera,..a family of Amphipodous Crustaceans, including those in which the tail is terminated by enlarged appendages in the shape of fins.

1877 T. H. Huxley Man. Anat. Invertebrated Animals vi. 319 A strong calcified urocardiac process.

1884 E. Coues Key to N. Amer. Birds (ed. 2) 114 Urosacral or false tail-bones.

1896 Calman Deep-sea Crustacea 19 The outer plate of the uropod.

1898 A. S. Packard Text-bk. Entomol. 163 We have designated the abdomen, as the urosome; the abdominal segments of insects..as uromeres, and the sternal sclerites as urosternites.

单词	uropod
释义	uropodn. /ˈjʊərəʊpɒd/ Etymology: < uro- comb. form² + Greek πούς, ποδ- foot. Zoology. Originally: any abdominal appendage of a crustacean. Now spec. each of the sixth and last pair of abdominal appendages of malacostracan crustacea, which together form part of the tail fan in lobsters. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > abdominal appendage swimmeret1840 pleopod1856 pleopodite1877 uropod1893 the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Malacostraca > division Thoracostraca > order Decapoda > suborder Macrura > abdominal appendage of lobster uropod1933 1884 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Protozoa to Insecta x. 454 The three posterior pairs of abdominal feet (uropoda) are well developed and often much elongated.] 1893 T. R. R. Stebbing Hist. Crustacea iv. 46 In Amphipoda the fourth and fifth pairs [of abdominal appendages] are more or less adapted for springing, and bear the name of uropods, or tail-feet. This name is also given to the appendages of the twentieth segment whenever they are present. 1933 R. H. Wolcott Animal Biol. xlii. 251 The appendages of the last abdominal segment [of the crayfish] are broad and flat and are called uropods. 1974 Encycl. Brit. Macropædia V. 547/1 In hermit crabs the uropods are modified into structures that help to hold the abdomen of the crab in the gastropod shell in which it lives. This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2019). > as lemmas uropod combining form of Greek οὐρά tail, occurring in many terms of comparative anatomy, etc. (of which the more important are entered in their places below), designating or relating to a posterior, caudal, or tail-like part, region, segment, or process, as urogaster, uromere, uropod, uropteran, urosome, urosomite, urosteon, uroternite nouns; urochordal, urogastric, uropodal, uropyloric, urosacral, urostylar adjs. Various other examples are entered in some special dictionaries, as uromeric, uroplatoid, urosomatic, urostegal, urostege, urostegite, urosthene, urosthenic, etc. Π a1827 Encycl. Metrop. (1845) XVII. 595/1 Decapoda. The hinder part of the body, which Latreille calls the post-abdomen, or Urogaster, but which is usually though erroneously called the tail. [Hence in Mayne, etc.] 1842 W. T. Brande Dict. Sci., Lit. & Art 1278/2 Uropterans, Uroptera,..a family of Amphipodous Crustaceans, including those in which the tail is terminated by enlarged appendages in the shape of fins. 1877 T. H. Huxley Man. Anat. Invertebrated Animals vi. 319 A strong calcified urocardiac process. 1884 E. Coues Key to N. Amer. Birds (ed. 2) 114 Urosacral or false tail-bones. 1896 Calman Deep-sea Crustacea 19 The outer plate of the uropod. 1898 A. S. Packard Text-bk. Entomol. 163 We have designated the abdomen, as the urosome; the abdominal segments of insects..as uromeres, and the sternal sclerites as urosternites. extracted from uro-comb. form² < n.1893 as lemmas
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uropodn.

> as lemmas