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单词 synangium
释义

synangiumn.

/sɪˈnandʒɪəm/
Forms: Plural synangia. Also anglicized synange /ˈsɪnændʒ/.
Etymology: modern Latin, < Greek σύν syn- prefix + ἀγγεῖον vessel.
1. Anatomy and Zoology. A collective or common blood vessel from which several arteries branch; spec. the terminal part of the arterial trunk in the lower vertebrates.
ΘΚΠ
the world > life > the body > vascular system > blood vessel > artery > [noun] > types of
preparing vessela1618
pulmonary artery1679
arteriole1685
mammary1697
omphalomesenteric1728
collateral arteriesa1788
perforator1824
vas vasorum1848
comes1875
synangium1875
loop-artery1899
1875 T. H. Huxley in Encycl. Brit. I. 763/1 Pylangium and synangium, together, are the equivalents of that portion of the heart which lies between the ventricle and the anterior wall of the pericardium.
1875 T. H. Huxley & H. N. Martin Course Elem. Biol. (1877) 176 The terminal part common to the divergent trunks is the synangium.
2. Botany. The oblong mass of coherent sporangia in ferns of the order Marattiaceæ.
ΘΚΠ
the world > plants > particular plants > ferns > [noun] > horseshoe fern or part
king fern1829
para1869
potato fern1881
synangium1881
horseshoe-fern1898
1881 J. S. Gardner in Nature 13 Oct. 560/1 In the later Carboniferous, Marattioid ferns for the first time occur with the sporangia united in a composite organ called a synangium.
1893 Bower in Philos. Trans. (Royal Soc.) B. 185 542 It is difficult to recognize..the exact limits of the sporogenous masses in the synangia.

Derivatives

synangial adj. /sɪˈnændʒɪəl/ = synangic adj.
ΘΚΠ
the world > life > the body > vascular system > blood vessel > artery > [adjective] > types of
common1657
primitive1733
synangial1875
arteriolar1877
precerebral1967
1875 T. H. Huxley in Encycl. Brit. I. 765/1 Three thick semi~lunar valves are placed at the ventricular end of this region, and three others..at its synangial end.
synangic adj. /sɪˈnændʒɪk/ pertaining to or constituting a synangium.
ΘΚΠ
the world > plants > particular plants > ferns > [adjective] > of or relating to parts of ferns
indusiate1830
indusiform1857
indusiated1864
indusioid1866
soral1892
synangic1902
1902 C. Reid in Encycl. Brit. XXXI. 417/1 Numerous..fern-sporangia occur in the petrified material of the Carboniferous formation; the presence of an annulus is a frequent character.., while synangic sori are rare.
1902 C. Reid in Encycl. Brit. XXXI. 417/1 The genus Diplolabis of Renault..resembles Corynepteris in possessing a synangic fructification.
This entry has not yet been fully updated (first published 1919; most recently modified version published online December 2018).
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n.1875
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