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单词 head kidney
释义

> as lemmas

head kidney
head kidney n. [after German Kopfniere (1867 or earlier)] Embryology and Zoology = pronephros n.
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the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > anterior division of primitive kidney
head kidney1876
pronephros1877
1876 Jrnl. Anat. & Physiol. 10 25 This glandular portion is often called either the head-kidney or the primitive kidney.
1916 Proc. National Acad. Sci. U.S.A. 2 232 All [Amblystoma] embryos from which both head kidneys had been excised died within eight to twelve days.
2011 G. de Iuliis & D. Pulerà Dissection Vertebr. (ed. 2) iv. 85/2 This will expose a small, dark, lobulated mass, the head kidney, lying immediately dorsal to the liver.
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