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单词 postabdomen
释义

postabdomenn.

Brit. /pəʊstˈabdəmən/, U.S. /ˌpoʊstˈæbdəmən/
Origin: Formed within English, by derivation. Etymons: post- prefix, abdomen n.
Etymology: < post- prefix + abdomen n. N.E.D. (1907) gives the pronunciation as (pōustˌæbdōu·mĕn) /pəʊstæbˈdəʊmən/.
Zoology.
The posterior part of the abdomen, esp. in insects, crustaceans, etc.
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the world > animals > invertebrates > bodies or parts > [noun] > postabdomen
postabdomen1824
the world > animals > animal body > general parts > rump and tail > [noun] > rump
arseeOE
croupc1300
crouponc1400
rumpc1425
rumplec1430
narsea1500
podex1601
poop1611
rump enda1658
breech1710
cushion1710
postabdomen1824
stern1830
bottle1935
dinger1943
ding1957
1824 Trans. Geol. Soc. 1 326 The post-abdomen..is distinguished by a single row of five small tubercles.
1842 W. T. Brande Dict. Sci., Lit. & Art 964/2 Post-abdomen, the name applied by Latreille to the five posterior segments of the abdomen of Hexapod insects; and to the tail of Crustaceans, which consists of analogous but more numerous segments.
1871 T. R. Jones Gen. Outl. Animal Kingdom (ed. 4) xviii. 526 In all the Polyclinian group it [sc. the ovarium] is lodged in the postabdomen.
1953 H. Mellanby Animal Life in Fresh Water (ed. 5) vii. 78 Post abdomen generally flattened with anal spines.
1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) v. 146 The Eurypterida had the body divided into three regions; the prosoma or cephalothorax, the mesosoma or pre-abdomen of 7 segments and the metasoma or post-abdomen of 5 segments and a telson.
1995 E. W. Knight-Jones & J. S. Ryland in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe xiii. 690/1 They [sc. gonads] are essentially associated with the gut loop, though displaced into a postabdomen in the long, slender zooids of Polyclinidae.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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n.1824
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