postfertilizationadj.adv.

Brit.

/ˌpəʊs(t)fəːtᵻlʌɪˈzeɪʃn/,

/ˌpəʊs(t)fəːtl̩ʌɪˈzeɪʃn/, U.S.

/ˌpoʊs(t)fərdl̩əˈzeɪʃ(ə)n/,

/ˌpoʊs(t)fərdlˌaɪˈzeɪʃ(ə)n/

Forms: see post- prefix and fertilization n.

Origin: Formed within English, by derivation. Etymons: post- prefix, fertilization n.

Etymology: < post- prefix + fertilization n.

Biology and Embryology.

A. adj.

Occurring, observed, or administered during the period immediately following fertilization of an ovum.

ΚΠ

1903 Bot. Gaz. 36 111 The fact that Treub found a definite wall about the egg in most cases suggests a post-fertilization stage.

1942 J. Needham Biochem. & Morphogenesis iii. iii. 566 Working on the eggs of the sea-urchin.., where the post-fertilisation respiration rate is four or five times that before fertilisation, he established that KCN strongly inhibits the respiration of the fertilised eggs.

1960 New Biol. 31 94 The process of oogenesis must not predetermine the detailed post-fertilization history of the egg.

1998 Los Angeles Times (Nexis) 10 Sept. b9 The mechanism of action of such postcoital pills may involve postfertilization interference in the reproductive process even if it just prevents the implantation of the fertilized egg in the uterus.

B. adv.

After fertilization of the ovum.

ΚΠ

1960 Amer. Naturalist 94 386 The genotypes and phenotypes involved are: T/T—lethal at 10 ¾ days post-fertilization.

1987 Science 30 Oct. 692/2 The dorsal protein is active during a short period in early embryogenesis (between 1.25 and 2.5 hours postfertilization, before cellular blastoderm formation).

1996 Amer. Jrnl. Ophthalmol. (Nexis) 122 709 Splitting of the embryo between days 5 and 7 postfertilization will cause monochorionic placentation with two amniotic (diamniotic) sacs.

This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	postfertilization
释义	postfertilizationadj.adv. Brit. /ˌpəʊs(t)fəːtᵻlʌɪˈzeɪʃn/, /ˌpəʊs(t)fəːtl̩ʌɪˈzeɪʃn/, U.S. /ˌpoʊs(t)fərdl̩əˈzeɪʃ(ə)n/, /ˌpoʊs(t)fərdlˌaɪˈzeɪʃ(ə)n/ Forms: see post- prefix and fertilization n. Origin: Formed within English, by derivation. Etymons: post- prefix, fertilization n. Etymology: < post- prefix + fertilization n. Biology and Embryology. A. adj. Occurring, observed, or administered during the period immediately following fertilization of an ovum. ΚΠ 1903 Bot. Gaz. 36 111 The fact that Treub found a definite wall about the egg in most cases suggests a post-fertilization stage. 1942 J. Needham Biochem. & Morphogenesis iii. iii. 566 Working on the eggs of the sea-urchin.., where the post-fertilisation respiration rate is four or five times that before fertilisation, he established that KCN strongly inhibits the respiration of the fertilised eggs. 1960 New Biol. 31 94 The process of oogenesis must not predetermine the detailed post-fertilization history of the egg. 1998 Los Angeles Times (Nexis) 10 Sept. b9 The mechanism of action of such postcoital pills may involve postfertilization interference in the reproductive process even if it just prevents the implantation of the fertilized egg in the uterus. B. adv. After fertilization of the ovum. ΚΠ 1960 Amer. Naturalist 94 386 The genotypes and phenotypes involved are: T/T—lethal at 10 ¾ days post-fertilization. 1987 Science 30 Oct. 692/2 The dorsal protein is active during a short period in early embryogenesis (between 1.25 and 2.5 hours postfertilization, before cellular blastoderm formation). 1996 Amer. Jrnl. Ophthalmol. (Nexis) 122 709 Splitting of the embryo between days 5 and 7 postfertilization will cause monochorionic placentation with two amniotic (diamniotic) sacs. This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022). < adj.adv.1903
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