| 单词 | primordial utricle |
| 释义 | > as lemmasprimordial utricle primordial utricle n. [after German Primordialschlauch (H. von Mohl 1844, in Bot. Zeitung 2 275); compare scientific Latin utriculus primordialis on the same page] Botany (now historical) the protoplasmic lining formed on the inner side of the cell wall as it expands. ΚΠ 1849 E. Lankester tr. M. J. Schleiden Princ. Sci. Bot. 569 Mohl asserts that the primordial utricle is the forerunner of the formation of the cellulose cell-wall. 1914 M. Drummond tr. G. Haberlandt Physiol. Plant Anat. i. 21 The protoplast, with its attendant organs, assumes the form of a peripheral layer of varying thickness (the ‘primordial utricle’ of v. Mohl), which adheres to the inner surface of the cell-wall. 1976 Amer. Jrnl. Bot. 63 691/2 A coagulated mucilage enclosed in a thin membrane—the ‘primordial utricle’ for the cytoplasmic contents in what he called sieve tubes. < as lemmas |
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