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单词 ptychode
释义

ptychoden.

Origin: A borrowing from German. Etymon: German Ptychode.
Etymology: < German Ptychode ( T. Hartig Beiträge zur Entwickelungsgeschichte der Pflanzen (1843) 8) < ancient Greek πτυχώδης having folds or layers < πτυχή fold, of unknown origin + -ώδης -ode comb. form1.
Botany. Obsolete. rare.
In the terminology of T. Hartig: a supposed inner lining of a plant cell. Cf. primordial utricle n. at primordial adj. and n. Compounds.
ΚΠ
1849 Ray Soc. Rep. & Papers Bot. 222 He was led to these researches by Hartig's investigations upon the structure of cells, and his assumption of their possessing a more internal membrane which lines their interior, and which he denominated a Ptychode.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2020).
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n.1849
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