perigastrulationn.

Brit.

/ˌpɛrɪɡastrᵿˈleɪʃn/, U.S.

/ˌpɛrəˌɡæstrəˈleɪʃ(ə)n/

Origin: Formed within English, by derivation. Etymons: peri- prefix, gastrulation n.

Etymology: < peri- prefix + gastrulation n. In sense 1 after perigastrula n.

Embryology.

†1. The formation of a gastrula arising from cleavage that takes place at the surface of the ovum. Obsolete. rare.Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. Perigastrulation, the formation of a perigastrula; the state of being perigastrular.

2. The period around the stage of gastrulation. Usually attributive.

ΚΠ

1997 Proc. National Acad. Sci. U.S.A. 94 14516/2 It is unclear how relevant such effects would be during the perigastrulation period, a stage preceding neurogenesis.

2001 Molecular & Cellular Biol. 21 2880 (title) Requirement for the murine zinc finger protein ZFR in perigastrulation growth and survival.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	perigastrulation
释义	perigastrulationn. Brit. /ˌpɛrɪɡastrᵿˈleɪʃn/, U.S. /ˌpɛrəˌɡæstrəˈleɪʃ(ə)n/ Origin: Formed within English, by derivation. Etymons: peri- prefix, gastrulation n. Etymology: < peri- prefix + gastrulation n. In sense 1 after perigastrula n. Embryology. †1. The formation of a gastrula arising from cleavage that takes place at the surface of the ovum. Obsolete. rare.Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Perigastrulation, the formation of a perigastrula; the state of being perigastrular. 2. The period around the stage of gastrulation. Usually attributive. ΚΠ 1997 Proc. National Acad. Sci. U.S.A. 94 14516/2 It is unclear how relevant such effects would be during the perigastrulation period, a stage preceding neurogenesis. 2001 Molecular & Cellular Biol. 21 2880 (title) Requirement for the murine zinc finger protein ZFR in perigastrulation growth and survival. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1890
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