| 单词 | pre-acetabular | 
| 释义 | > as lemmaspre-acetabular   pre-acetabular adj.  Brit. , U.S. Anatomy and Zoology situated in front of or anterior to an acetabulum, originally esp. that of the hip, later also the sucker by which a trematode attaches itself to its host. ΚΠ 1866    R. Owen On Anat. Vertebr. II. 34  				[The ilium in birds] differs in the proportions of the pre-acetabular and post-acetabular extensions, and in the degree of divergence of the latter from the sacrum. 1932    Q. Rev. Biol. 7 465/2  				Genital pore of maritae preacetabular, without specialized sucker. 1968    C. W. Schwabe  & A. Kilejian in  M. Florkin  & B. T. Scheer Chem. Zool. II.  iii. vi. 502  				On the basis of the fact that extracts of schistosomules did not have a similar activity, they postulated that it was an invasive enzyme from the preacetabular glands. 1996    Palaeontology 39 763  				A strong preacetabular crest on the ilium. < as lemmas | 
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