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nephrotome
nephrotome n.
Brit. 
/ˈnɛfrə(ʊ)təʊm/
, /ˈnɛfrə(ʊ)təʊm/U.S. /ˈnɛfrəˌtoʊm/
[after German Nephrotom (J. Rückert 1888, in Arch. f. Anat. u. Physiol. (Anat.) 272)] Embryology the intermediate mesoderm, which gives rise to nephric and genital structures./ˈnɛfrəˌtoʊm/ΘΚΠ
the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > tissue giving rise to excretory organs
nephrotome1896
1896 Philos. Trans. 1895 (Royal Soc.) B. 186 166 Concerning the segmentally arranged mesodermal products (omitting nephrotomes and gonotomes) the following subdivision is adhered to.
1949 A. S. Romer Vertebr. Body xii. 378 In our embryological story we noted that in every trunk segment the mesoderm includes, on either side, a nephric region, often segmentally distinct as a nephrotome, a small discrete block of tissue interposed between somite and lateral plate.
1995 C. Nielsen Animal Evol. liv. 433 The primitive vertebrate nephridia develop from the narrow stalk (nephrotome) between the somites and the ventral sacs.
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as lemmas