单词 | invaginate |
释义 | invaginateadj. rare. invaginated adj. ΘΚΠ the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > turned inwards, upwards, backwards, etc. reflexeda1500 resupinated1661 nutant1751 nodding1776 resupinate1776 reversed1777 deflex1791 retrorse1818 deflexed1826 deflected1828 fornicate1828 invaginated1835 antrorse1838 invertile1853 posterial1866 retrorsal1870 invaginate1887 invaginable1888 1887 Amer. Naturalist 21 422 Invaginate gastrula. This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2019). invaginatev. 1. transitive. a. To put in a sheath; to sheathe. ΘΚΠ the world > space > relative position > condition of being external > covering > wrapping > wrap [verb (transitive)] > encase or sheathe casea1525 to case up1566 ensheath1593 encase1633 shell1637 sheathea1640 invaginate1656 jacket1861 1656 T. Blount Glossographia Invaginate, to sheath or put into a sheath. 1861 R. T. Hulme tr. C. H. Moquin-Tandon Elements Med. Zool. ii. iii. iii. 136 The pseudo chrysalis..is half invaginated in the cast-off skin of the second larval form. 1885 H. O. Forbes Naturalist's Wanderings Eastern Archipel. ii. 93 In some cases the rostellum (the upper margin of the stigma) is not invaginated down the stylary canal. b. Physiology. To turn or double (a tubular sheath) back within itself; to introvert. ΘΚΠ the world > life > biology > physical aspects or shapes > physical arrangement or condition > [verb (transitive)] > turn inward or forward reflexc1570 invaginate1835 antroverted1851 evaginate1877 introvert1883 1835–6 Todd's Cycl. Anat. & Physiol. I. 184/2 A portion of the large intestine..must have become invaginated. 1882 H. S. Boase Creation & Evol. vi. 138 The wall of the planula is next pushed in on one side, or invaginated, whereby it is converted into a double sac with an opening. 2. intransitive. To become invaginated. ΘΚΠ the world > life > biology > physical aspects or shapes > physical arrangement or condition > [verb (intransitive)] > become turned inwards invaginate1887 1887 Amer. Naturalist 21 422 The endoderm cells..will no longer immigrate one at a time, but will invaginate in a body, and thus in a more direct way establish a gastric cavity. This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2022). < adj.1887v.1656 |
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