† prototypembryon.

Origin: Formed within English, by compounding. Etymons: prototype n., embryo n.

Etymology: < prototype n. + embryo n.Attributed in Cent. Dict. (1890) to A. S. Hyatt, but not found in his principal articles on the subject (1888–90). Compare slightly earlier protembryo n., typembryo n.

Zoology. Obsolete. rare.

A metazoan embryo at a stage at which it exhibits the characters of the phylum or other principal taxonomic group to which it belongs; (apparently) = typembryo n.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > [noun] > at specific stage

germ1646

neurula1878

parenchymula1884

parenchymella1887

typembryo1887

prototypembryo1890

1890 Cent. Dict. Prototypembryo, a later stage of the embryo, which exhibits the essential characters of the division of animals to which it belongs. Thus, the veliger of a mollusk, the nauplius of a crustacean, and the notochordal stage of a vertebrate are respectively prototypembryos of the Mollusca, Crustacea, and Vertebrata.

Derivatives

† prototypembryonic adj. Obsolete rare Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. Prototypembryonic, having the character of a prototypembryo.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2021).

单词	prototypembryo
释义	† prototypembryon. Origin: Formed within English, by compounding. Etymons: prototype n., embryo n. Etymology: < prototype n. + embryo n.Attributed in Cent. Dict. (1890) to A. S. Hyatt, but not found in his principal articles on the subject (1888–90). Compare slightly earlier protembryo n., typembryo n. Zoology. Obsolete. rare. A metazoan embryo at a stage at which it exhibits the characters of the phylum or other principal taxonomic group to which it belongs; (apparently) = typembryo n. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > [noun] > at specific stage germ1646 neurula1878 parenchymula1884 parenchymella1887 typembryo1887 prototypembryo1890 1890 Cent. Dict. Prototypembryo, a later stage of the embryo, which exhibits the essential characters of the division of animals to which it belongs. Thus, the veliger of a mollusk, the nauplius of a crustacean, and the notochordal stage of a vertebrate are respectively prototypembryos of the Mollusca, Crustacea, and Vertebrata. Derivatives † prototypembryonic adj. Obsolete rare Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Prototypembryonic, having the character of a prototypembryo. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2021). < n.1890
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