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单词 invagination
释义 invagination|ɪnvædʒɪˈneɪʃən|
[n. of action from invaginate v.: so in mod.F. (Littré).]
The action of sheathing or introverting; the condition of being sheathed or introverted: intussusception.
1658Phillips, Invagination, a putting into a sheath or scabbard.1822–34Good's Study Med. (ed. 4) I. 167 Some writers represent the bowels as exhibiting after death a remarkable diminution in their diameter; some have met with invaginations.1847–9Todd Cycl. Anat. IV. 27/1 These little animals..recede into themselves by a kind of invagination of their own bodies.1879tr. Haeckel's Evol. Man I. viii. 221 The Gastrula..was originated by an inversion or invagination of the Blastula.
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