morphallacticadj.

Brit.

/mɔːfəˈlaktɪk/, U.S.

/ˌmɔrfəˈlæktɪk/

Origin: A borrowing from Greek, combined with an English element. Etymons: morpho- comb. form, Greek ἀλλακτικός.

Etymology: < morpho- comb. form + ancient Greek ἀλλακτικός ( < ἀλλακτ- , stem of ἀλλάσσειν to change (see allactite n.) + -ικός -ic suffix), after morphallaxis n.

Biology.

Of, involving, or occurring by morphallaxis.

ΚΠ

1926 Bull. Torrey Bot. Club 53 255 The curvature is accomplished by increasing the number of cells on the convex side of the curve or by morphallactic rearrangement of the material of the cells so that they are more or less wedge-shaped.

1952 A. E. Needham Regeneration & Wound-healing i. 2 In the Amphibia portions of late blastula- and even gastrula-stages are able to regulate eventually by ‘post-generation’, again a morphallactic process.

1993 Development 117 835 The results of this work suggest that retinoic acid or related molecule(s) act as an endogenous trigger of morphallactic development of Polyandrocarpa buds.

This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).

单词	morphallactic
释义	morphallacticadj. Brit. /mɔːfəˈlaktɪk/, U.S. /ˌmɔrfəˈlæktɪk/ Origin: A borrowing from Greek, combined with an English element. Etymons: morpho- comb. form, Greek ἀλλακτικός. Etymology: < morpho- comb. form + ancient Greek ἀλλακτικός ( < ἀλλακτ- , stem of ἀλλάσσειν to change (see allactite n.) + -ικός -ic suffix), after morphallaxis n. Biology. Of, involving, or occurring by morphallaxis. ΚΠ 1926 Bull. Torrey Bot. Club 53 255 The curvature is accomplished by increasing the number of cells on the convex side of the curve or by morphallactic rearrangement of the material of the cells so that they are more or less wedge-shaped. 1952 A. E. Needham Regeneration & Wound-healing i. 2 In the Amphibia portions of late blastula- and even gastrula-stages are able to regulate eventually by ‘post-generation’, again a morphallactic process. 1993 Development 117 835 The results of this work suggest that retinoic acid or related molecule(s) act as an endogenous trigger of morphallactic development of Polyandrocarpa buds. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < adj.1926
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