| 释义 |
ectrodactyly Anat.|ɛktrəʊˈdæktɪlɪ|
Also ectrodactylia.
[ad. mod.L. ectrodactylia, f. Gr. ἔκτρω-µα, -τρω-σις, etc. (f. ἐκ- + τρω- to damage) + δάκτυλος finger.]
Congenital absence of digits. Also ectroˈdactylism.
1848Dunglison Med. Lex. (ed. 7) 296/2 Ectrodactylia, a malformation in which one or more fingers or toes are wanting. 1883Index-Catal. Libr. Surg.-Gen. U.S. IV. 51/1 Ectrodactylism. 1893Jrnl. Anat. XXVII. 422 Schæfar gives an account of five cases of ectrodactyly. 1894W. Bateson Study of Variation 358 Absence of Digits (Ectrodactylism). 1899Jrnl. Anat. XXXIII. 524 A case in which ectrodactyly and syndactyly of the right hand co-existed with double ectrodactyly of the feet. 1909W. Bateson Mendel's Princ. Heredity xii. 228 Several pedigrees of ectrodactylism..are recorded in medical literature. 1946R. R. Gates Human Genetics I. xi. 434 Lobster claw appears to be an extreme form of syndactyly (i.e., combined with ectrodactyly). |