urodaeumurodeumn.

/jʊərəʊˈdiːəm/

Forms: Plural urodæa, urodea.

Etymology: modern Latin, irregularly < uro- comb. form¹ + Greek ὁδαῖος on or by the way.

Zoology.

The part of the cloaca into which the urinary ducts open.

ΘΚΠ

the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > anus > part of cloaca

urodaeum1888

1888 H. Gadow in Philos. Trans. (Royal Soc.) B. 178 28 I propose to designate the typical urino-genital and fæcal chambers the Urodæum and Coprodæum in accordance with Professor E. Ray Lankester's terms Stomodæum and Proctodæum.

1897 T. J. Parker & W. A. Haswell Text-bk. Zool. II. xiii. 368 The cloaca is a large chamber divided into three compartments, the coprodæum.., the urodæum.., and the proctodæum.

1959 W. Andrew Textbk. Compar. Histol. xi. 444 Urine formed in the kidney is concentrated in the cloacal chambers (urodeum and coprodeum) where water is absorbed through the walls.

1975 Nature 17 Jan. 217/2 At the other end, the proctodeum opens into urodeum leading to the coprodeum.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).

单词	urodaeum
释义	urodaeumurodeumn. /jʊərəʊˈdiːəm/ Forms: Plural urodæa, urodea. Etymology: modern Latin, irregularly < uro- comb. form¹ + Greek ὁδαῖος on or by the way. Zoology. The part of the cloaca into which the urinary ducts open. ΘΚΠ the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > anus > part of cloaca urodaeum1888 1888 H. Gadow in Philos. Trans. (Royal Soc.) B. 178 28 I propose to designate the typical urino-genital and fæcal chambers the Urodæum and Coprodæum in accordance with Professor E. Ray Lankester's terms Stomodæum and Proctodæum. 1897 T. J. Parker & W. A. Haswell Text-bk. Zool. II. xiii. 368 The cloaca is a large chamber divided into three compartments, the coprodæum.., the urodæum.., and the proctodæum. 1959 W. Andrew Textbk. Compar. Histol. xi. 444 Urine formed in the kidney is concentrated in the cloacal chambers (urodeum and coprodeum) where water is absorbed through the walls. 1975 Nature 17 Jan. 217/2 At the other end, the proctodeum opens into urodeum leading to the coprodeum. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < n.1888
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