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单词 truncus
释义

truncusn.

/ˈtrʌŋkəs/
Etymology: Latin: see trunk n.
1. Anatomy. The trunk or main stem of a vessel or nerve.
ΘΚΠ
the world > life > the body > vascular system > blood vessel > [noun] > main
master-veinc1425
mastering vein1605
truncus1693
main line1931
the world > life > the body > nervous system > nerve > parts of nerves > [noun] > main part
truncus1693
nerve stem1856
1693 tr. S. Blankaart Physical Dict. (ed. 2) 203 Truncus, in general..that part of the great Artery and Vena Cava, which descends from the Heart..more especially..those Branches which are sent from the great Trunk to the Viscera.
1875 T. H. Huxley & H. N. Martin Course Elem. Biol. (1883) 177 As the truncus becomes more and more distended, the longitudinal valve..tends more and more completely to shut off the openings of the pulmonary arteries.
2. Zoology. The trunk or body of an animal, without the head, limbs, and tail; in Entomology the thorax.
ΘΚΠ
the world > animals > animal body > general parts > body and limbs > [noun] > torso
truncus1706
trunk1870
the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax
truncus1706
corslet1753
alitrunk1826
trunk1826
1706 Phillips's New World of Words (new ed.) Truncus, (Lat.)..a Body without a Head.
3. Botany. The trunk or stem of a tree.
ΘΚΠ
the world > plants > part of plant > part of tree or woody plant > [noun] > stem, trunk, or bole
stovenc1000
bolec1314
bodyc1330
stock1340
shaft1398
stealc1440
truncheonc1449
trunk1490
stud1579
leg1597
butt1601
truncus1706
stam1839
1706 Phillips's New World of Words (new ed.) Truncus, (Lat.) the Stem or Stock of a Tree without the Boughs.
This entry has not yet been fully updated (first published 1915; most recently modified version published online September 2018).
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n.1693
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