nidationn.

Brit.

/nʌɪˈdeɪʃn/, U.S.

/ˌnaɪˈdeɪʃ(ə)n/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin nīdus , -ation suffix.

Etymology: < classical Latin nīdus nest (see nidus n.) + -ation suffix.

Physiology.

†1. The cyclical proliferation of the endometrium in preparation for implantation of an ovum (or preceding menstruation). Obsolete. rare.

ΚΠ

1874 J. H. Aveling in Obstetr. Jrnl. 2 210 The act of nidation consists of the periodical development of the mucous membrane lining the interior of the body of the uterus.

1892 New Sydenham Soc. Lexicon Nidation,..Aveling's term for the monthly renewal of the epithelium of the mucous lining of the womb during the intermenstrual period.

2. = implantation n. 6.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > conception > [noun] > implantation

nidation1892

implantation1902

1892 New Sydenham Soc. Lexicon Nidation,..also, a term for the reception of the fertilised ovum in the uterine mucous membrane.

1898 J. C. Webster Dis. Women 669 We know that rawing of the surface is not necessary to the attachment and nidation of the fertilized ovum.

1921 B. M. Anspach Gynecol. iv. 72 These [changes] have for their purpose suitable nidation and nourishment of the ovum.

1966 New Statesman 17 June 880/1 Surely an abortifacient is something which interferes with an established pregnancy and not something which prevents the nidation of a fertilised ovum.

1990 N.Y. Rev. Bks. 28 June 11/4 Catholic theologian Bernard Haring used the number of fertilized eggs that do not achieve nidation (perhaps half) to suggest..that life cannot begin at fertilization.

This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).

单词	nidation
释义	nidationn. Brit. /nʌɪˈdeɪʃn/, U.S. /ˌnaɪˈdeɪʃ(ə)n/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin nīdus , -ation suffix. Etymology: < classical Latin nīdus nest (see nidus n.) + -ation suffix. Physiology. †1. The cyclical proliferation of the endometrium in preparation for implantation of an ovum (or preceding menstruation). Obsolete. rare. ΚΠ 1874 J. H. Aveling in Obstetr. Jrnl. 2 210 The act of nidation consists of the periodical development of the mucous membrane lining the interior of the body of the uterus. 1892 New Sydenham Soc. Lexicon Nidation,..Aveling's term for the monthly renewal of the epithelium of the mucous lining of the womb during the intermenstrual period. 2. = implantation n. 6. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > conception > [noun] > implantation nidation1892 implantation1902 1892 New Sydenham Soc. Lexicon Nidation,..also, a term for the reception of the fertilised ovum in the uterine mucous membrane. 1898 J. C. Webster Dis. Women 669 We know that rawing of the surface is not necessary to the attachment and nidation of the fertilized ovum. 1921 B. M. Anspach Gynecol. iv. 72 These [changes] have for their purpose suitable nidation and nourishment of the ovum. 1966 New Statesman 17 June 880/1 Surely an abortifacient is something which interferes with an established pregnancy and not something which prevents the nidation of a fertilised ovum. 1990 N.Y. Rev. Bks. 28 June 11/4 Catholic theologian Bernard Haring used the number of fertilized eggs that do not achieve nidation (perhaps half) to suggest..that life cannot begin at fertilization. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1874
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