monochorialadj.

Brit.

/ˌmɒnə(ʊ)ˈkɔːrɪəl/, U.S.

/ˌmɑnəˈkɔriəl/

Origin: Formed within English, by compounding; modelled on a Polish lexical item. Etymons: mono- comb. form, chorial adj.

Etymology: < mono- comb. form + chorial adj., after Polish monochorialny (A. Rosner 1901, in Bull. Internat. de l'Acad. des Sci. de Cracovie No. 8. 443). Compare slightly earlier monochorionic adj.

Biology and Medicine.

= monochorionic adj.

ΚΠ

1902 Jrnl. Royal Microsc. Soc. 159 A. Rosner discusses the numerous theories as to the origin of monochorial twins.

1917 H. H. Newman Biol. of Twins 6 Monochorial twins are surrounded by a single chorionic membrane. Usually a single chorion covers but one embryo and comes from a single egg; hence it is customarily assumed that the monochorial condition implies a monozygotic condition.

1989 G. E. Klyve & C. G. Oakley Legend of Perseus i. 12 You see, Proetus and Acrisius were diamniotic, monochorial, monozygotic twins..and had found themselves competing for the same blood supply.

This is a new entry (OED Third Edition, December 2002; most recently modified version published online March 2022).

单词	monochorial
释义	monochorialadj. Brit. /ˌmɒnə(ʊ)ˈkɔːrɪəl/, U.S. /ˌmɑnəˈkɔriəl/ Origin: Formed within English, by compounding; modelled on a Polish lexical item. Etymons: mono- comb. form, chorial adj. Etymology: < mono- comb. form + chorial adj., after Polish monochorialny (A. Rosner 1901, in Bull. Internat. de l'Acad. des Sci. de Cracovie No. 8. 443). Compare slightly earlier monochorionic adj. Biology and Medicine. = monochorionic adj. ΚΠ 1902 Jrnl. Royal Microsc. Soc. 159 A. Rosner discusses the numerous theories as to the origin of monochorial twins. 1917 H. H. Newman Biol. of Twins 6 Monochorial twins are surrounded by a single chorionic membrane. Usually a single chorion covers but one embryo and comes from a single egg; hence it is customarily assumed that the monochorial condition implies a monozygotic condition. 1989 G. E. Klyve & C. G. Oakley Legend of Perseus i. 12 You see, Proetus and Acrisius were diamniotic, monochorial, monozygotic twins..and had found themselves competing for the same blood supply. This is a new entry (OED Third Edition, December 2002; most recently modified version published online March 2022). < adj.1902
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