† mériden.

Origin: A borrowing from French. Etymon: French méride.

Etymology: < French méride ( E. Perrier Les colonies animales (1881) II. 403) < ancient Greek μέρος part (see mero- comb. form¹) + French -ide -id suffix². N.E.D. (1906) enters this under meris and gives the pronunciation (me·ris) /ˈmɛrɪs/.

Zoology. Obsolete. rare.

In the morphological theory of French zoologist E. Perrier: a group of cells forming a distinct and permanent unit, either living as an independent organism or forming part of a colonial aggregate (see deme n.² 2).

ΚΠ

1883 Encycl. Brit. XVI. 842/2 Starting from the cell or plastid, he [sc. Perrier] terms a permanent colony a méride.

1883 Encycl. Brit. XVI. 843/1 Tissues and organs result from division of labour in the anatomical elements of the mérides, and so have only a secondary individuality.

1883 Encycl. Brit. XVI. 843/1 The earliest secondary unit..is the gastrula or méride. This stage is permanently represented by an unbranched Hydra or Sponge or by a Planarian.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online December 2018).

单词	méride
释义	† mériden. Origin: A borrowing from French. Etymon: French méride. Etymology: < French méride ( E. Perrier Les colonies animales (1881) II. 403) < ancient Greek μέρος part (see mero- comb. form¹) + French -ide -id suffix². N.E.D. (1906) enters this under meris and gives the pronunciation (me·ris) /ˈmɛrɪs/. Zoology. Obsolete. rare. In the morphological theory of French zoologist E. Perrier: a group of cells forming a distinct and permanent unit, either living as an independent organism or forming part of a colonial aggregate (see deme n.² 2). ΚΠ 1883 Encycl. Brit. XVI. 842/2 Starting from the cell or plastid, he [sc. Perrier] terms a permanent colony a méride. 1883 Encycl. Brit. XVI. 843/1 Tissues and organs result from division of labour in the anatomical elements of the mérides, and so have only a secondary individuality. 1883 Encycl. Brit. XVI. 843/1 The earliest secondary unit..is the gastrula or méride. This stage is permanently represented by an unbranched Hydra or Sponge or by a Planarian. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online December 2018). < n.1883
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