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单词 ventral
释义

ventraladj.n.

Brit. /ˈvɛntr(ə)l/, U.S. /ˈvɛntrəl/
Etymology: < French ventral (= Spanish ventral, Portuguese ventral, Italian ventrale), or < Latin ventrālis, < venter abdomen.
A. adj.
1. Occurring or taking place in the region of the abdomen; abdominal.
a. Pathology. Of ruptures.
ΘΚΠ
the world > life > the body > internal organs > cavities occupied by internal organs > [adjective] > abdomen
cœliacal1615
cœliac1662
alvine1715
ventral1744
intra-abdominal1887
the world > health and disease > ill health > a disease > disorders of internal organs > disorders of abdomen or diaphragm > [adjective]
ventral1744
1744 Philos. Trans. 1740–41 (Royal Soc.) 41 644 In some ventral Ruptures (as they are called) this also may be necessary.
1797 Encycl. Brit. XVIII. 155/2 Ventral rupture is a protrusion of some of the bowels through the interstices of the abdominal muscles.
1797 Encycl. Brit. XVIII. 155/2 (margin) Ventral hernia.
1838 Penny Cycl. XII. 160/1 Umbilical and ventral herniæ.
1891 C. W. M. Moullin Surg. 1047 Ventral Hernia, hernia through the linea alba (except at the umbilicus),..or some other part of the abdominal wall that is not usually weak.
b. Of laughter or breathing, or in general use.
ΚΠ
1859 ‘G. Eliot’ Adam Bede I. i. xii. 238 He continued at intervals to..shake luxuriously with a silent, ventral laughter.
1860 O. W. Holmes Elsie Venner (1891) 65 A trained rector, who read the service with such ventral depth of utterance.
1892 R. L. Stevenson Vailima Lett. (1895) 197 His breathing seemed wholly ventral: the bust still, the belly moving strongly.
2. Anatomy and Zoology. Of, pertaining to, situated in or on, the abdomen; abdominal.
a. In ventral fin. (Cf. B. 1.)
ΘΚΠ
the world > animals > fish > parts of fish > [noun] > fin or parts of fin > ventral
ventral fin1752
ventral1834
abdominal1838
the world > animals > mammals > order Cetacea (whales) > [noun] > parts of > (types of) fin
finc1000
back-fin?c1225
ventral fin1752
pectoral?a1808
ventral1834
subdorsal1856
pinna1890
1752 J. Hill Gen. Nat. Hist. III. 242 The ventral fins are connected in a remarkable manner together.
1769 T. Pennant Brit. Zool. (new ed.) III. iv. 34* The ventral fins placed behind the pectoral fins, as in the Minow.
1802 W. Paley Nat. Theol. xii. 253 The pectoral, and more particularly the ventral fins, serve to raise and depress the fish.
1862 T. H. Huxley On Knowl. Causes Phenomena Org. Nature 23 [In] the Codfish.. you have the hinder limbs restored in the shape of these ventral fins.
b. In general use.
ΘΚΠ
the world > life > the body > external parts of body > trunk > front > belly or abdomen > [adjective]
bellied?c1475
abdominal1650
ventral1817
belly-like1849
ventrinea1859
1817 W. Kirby & W. Spence Introd. Entomol. II. xxii. 290 By the assistance of their mandibles,..and also of several dorsal and ventral tubercles.
1828 J. Stark Elements Nat. Hist. I. 86 Mammæ six, two pectoral and four ventral.
1852 J. D. Dana U.S. Exploring Exped.: Crustacea Pt. I 26 What is the proper relation of the ventral pieces of the Carapax?
1872 T. H. Huxley Lessons Elem. Physiol. (ed. 6) i. 6 Nearer the dorsal (or back) than the ventral (or front) aspect of the body.
c. ventral cord n. (see quots.).
ΘΚΠ
the world > animals > animal body > general parts > constituent materials > [noun] > ventral cord
ventral cord1874
1874 W. B. Carpenter Princ. Mental Physiol. i. ii. 52 The longitudinal gangliated chain of Articulated animals is often distinguished as the ventral cord.
1880 H. C. Bastian Brain 91 The double ventral cord has a fibrous structure along its upper surface, whilst below there is an irregular stratum of ganglion cells.
3. Botany. Of or belonging to the anterior or lower surface.
ΘΚΠ
the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > of surface position
ventral1832
abaxial1835
adaxial1835
1832 J. Lindley Introd. Bot. 144 These edges often appear in the carpellum like two sutures, of which..that which corresponds to the united margins is named the ventral suture.
1870 J. D. Hooker Student's Flora Brit. Islands 114 Fragaria:..styles ventral.
1872 D. Oliver Lessons Elem. Bot. (new ed.) i. vii. 89 The inner angle of each carpel..answers to the line of union of its infolded edges. This line is called the ventral suture.
1875 C. Darwin Insectivorous Plants xvii. 398 The lower side where the foot stalk arises is nearly straight and I have called it the ventral surface.
4. ventral segment n. in Acoustics: (see quots.).
ΘΚΠ
the world > matter > physics > science of sound > vibration > [noun] > vibrating part
ventral segmenta1830
segment1863
a1830 J. F. W. Herschel Sound in Encycl. Metrop. (1845) IV. 782 Such points of rest are called nodes or nodal points, the intermediate portions [of a cord] which vibrate are termed bellies or ventral segments.
1873 W. Lees Acoustics i. iii. 24 The direct and reflective pulses..divide the string into a series of vibrating parts, called ventral segments.
5. quasi-adv.= ventrally adv. 1.
ΘΚΠ
the world > life > the body > positions or directions in body > [adverb] > specific
upwardsc1400
posteriorly1598
centrad1803
dextrad1803
distad1803
peripherad1803
proximad1803
sinistrad1803
atlantad1825
rostrad1831
mesially1849
ventrad1849
peripherally1852
posterolaterally1857
rostrally1863
distally1870
medianly1870
ventrally1870
postaxially1873
preaxially1873
posteroventrally1877
proximally1878
mesad1881
lateralwards1882
ventralwards1883
preaxiad1888
mesally1890
anteriad1891
haemad1891
postaxiad1892
lateralward1895
sagittally1895
ventral1899
posteriad1902
ipsilaterally1950
midsagittally1960
ventromedially1960
the world > life > the body > external parts of body > trunk > front > belly or abdomen > [adverb]
ventrally1870
ventral1899
1899 T. C. Allbutt et al. Syst. Med. VI. 807 Structures which respectively lie ventral and lateral.
B. n.
1. A ventral fin; one of the fins corresponding to the hind legs of quadrupeds.
ΘΚΠ
the world > animals > fish > parts of fish > [noun] > fin or parts of fin > ventral
ventral fin1752
ventral1834
abdominal1838
the world > animals > mammals > order Cetacea (whales) > [noun] > parts of > (types of) fin
finc1000
back-fin?c1225
ventral fin1752
pectoral?a1808
ventral1834
subdorsal1856
pinna1890
1834 H. McMurtrie tr. G. Cuvier Animal Kingdom (abridged ed.) 217 The anal..seems to be continued forwards by the ventrals.
1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 186 The ventrals are situated near the vent.
1875 C. C. Blake Zoology 202 The pectoral fins are distant from the head, and not produced to the ventrals.
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2. Entomology. One or other of the segments of the abdomen, esp. in Coleoptera. (1891 in Cent. Dict.)

Draft additions 1993

5. Aeronautics. Situated in the belly or beneath the fuselage of an aircraft.
ΘΚΠ
society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [adjective] > away from the fuselage > in belly or beneath fuselage
ventral1942
1942 Aircraft of Fighting Powers III. 61/2 The ventral gun position has been much improved compared with the rather crude design fitted on the SB-3 precision bombers.
1950 Gloss. Aeronaut. Terms (B.S.I.) i. 40 Ventral tank.
1969 K. Munson Pioneer Aircraft 1903–14 67 Deperdussin Type B military single-seater, 1911... Covering: aluminium (cowling), plywood (cockpit floor and ventral fairing).
1977 R.A.F. Yearbk. 8/2 Ventral weapons bay accommodating homing torpedoes, mines, depth charges, [etc.].
1990 FineScale Modeler Feb. 40/1 I fashioned the two ventral strakes from .020″ styrene.
This entry has not yet been fully updated (first published 1916; most recently modified version published online December 2021).
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adj.n.1744
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