单词 | cotyledonary |
释义 | cotyledonaryadj. 1. Botany. Of the nature of a seed-leaf. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > [adjective] > of parts > of cotyledon or seed-leaf tricotyledonous1828 cotyledonar1830 cotyledonous1830 cotyledonal1850 incumbent1851 cotyledonary1854 nursing1861 hypocotyledonary1875 hypocotyledonous1880 syncotyledonous1898 1854 J. S. Bushnan in J. Wylde Circle of Sci. (c1865) II. 27/2 These seed-lobes, or cotyledonary bodies. 1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 501 The Embryo [in Cycadeæ] enclosed in the large endosperm possesses two opposite unequal cotyledonary leaves. 2. Physiology. Characterized by the presence of cotyledons (see cotyledon n. 1). ΘΚΠ the world > animals > mammals > group Placentalia > [adjective] > having specific kind of placenta cotyledonal1850 zonoplacental1879 cotyledonary1888 the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > membranes, etc., of embryo or fetus > [adjective] > membranes enclosing allantoid1730 amniotic1822 cotyledonal1850 amnic1855 allantoidean1857 chorial1879 cotyledonary1888 chorionic1892 allantoica1933 intra-amniotic1960 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 367 The non~deciduate placenta is either diffuse, when the villi are scattered, or cotyledonary, when they are aggregated into patches corresponding with maternal patches (true Ruminantia). This entry has not yet been fully updated (first published 1893; most recently modified version published online December 2018). < adj.1854 |
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