单词 | lobe |
释义 | loben. A roundish projecting part, usually one of two or more similar portions into which an object is divided by a fissure. a. One of the divisions of the liver or lungs formed by the fissures. ΘΚΠ the world > life > the body > respiratory organs > [noun] > lungs > lobe of lapc1000 leafa1398 lobe?1541 lappet1609 fin1615 the world > life > the body > secretory organs > gland > specific glands > [noun] > liver > lobe of lapc1000 liver lapOE fibre1398 mantle?c1425 boss?1541 lobe?1541 lop1601 fillet1607 lappet1609 fin1615 lobbet1662 acinus1701 spigelian lobe1811 Riedel's lobe1897 1525 Anothomia in tr. H. von Brunschwig Noble Experyence Handy Warke Surg. sig. Biv/1 The longues hath .v. lobos or feders.] ?1541 R. Copland Guy de Chauliac's Questyonary Cyrurgyens ii. sig. H jv Demaunde, Howe many lobbes hath the lunges? Answere .v. Thre in the ryght party, and two in the lefte. 1578 J. Banister Hist. Man v. f. 75 These eminences are neither to be called Lobes, Fibres, nor wynges. 1646 Sir T. Browne Pseudodoxia Epidemica iii. ii. 108 The lobes and severall parcells of the liver. View more context for this quotation 1667 N. Fairfax in Philos. Trans. (Royal Soc.) 2 549 The left Lobe of the Lungs almost quite wasted. 1802 W. Paley Nat. Theol. xi. 202 The heart lies on the left side; a lobe of the lungs on the right. 1845 G. Budd On Dis. Liver 320 The liver was found of large size, and its left lobe reached over the stomach into the left hypochondrium. 1859 C. Darwin Origin of Species xiii. 450 In very many snakes one lobe of the lungs is rudimentary. b. The lower soft pendulous part of the external ear. ΘΚΠ the world > life > the body > external parts of body > head > face > ear > [noun] > flap or lobe lapc1000 ear-lapOE list1530 lippet1598 lug1602 lappet1609 handle1615 libbet1627 auricle1650 flip-flop1661 pinna1682 helix1684 lobe1719 earlobea1785 ear flap1810 leaf1819 shell1831 pavilion1842 ear bud1953 1719 J. Quincy Lexicon Physico-medicum (1722) 124/1 The external [ear] is..divided into two Parts, of which the upper is called Pinna, or the Wing, the lower Fibra, or Lobe. 1826 S. Cooper First Lines Pract. Surg. (ed. 5) ii. xxiv. 393 An incision was begun over the condyloid process, opposite the lobe of the ear. 1843 C. Dickens Martin Chuzzlewit (1844) ix. 107 Pursued and brought back by the hair of his head, or the lobe of his ear. 1871 G. Meredith Harry Richmond II. xx. 288 Her ear..was of a very pretty shape, with a soft unpierced lobe. c. Botany †(a) A pod, capsule, or fruit-case. Obsolete. (b) A rounded projection or division of a leaf (sometimes, of other organs) of a plant. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > seed-vessel or pericarp > [noun] > division or section of loculament1654 lobe1672 valvule1755 valve1760 the world > plants > part of plant > part defined by form or function > [noun] > lobe or division clefta1398 fissure1656 lacinia1668 segment1713 lobe1731 earlet1787 the world > plants > part of plant > leaf > [noun] > leaflet lacinia1668 label1672 pinna1703 label1707 pinnula1707 ala1712 lobe1731 pinnule1751 lobe-leaf1758 leafit1761 little leaf1775 wing1776 foliole1785 leaflet1811 lobelet1850 auricle1861 lobule1880 pinnulet1881 pointrel1881 1672 N. Grew Anat. Veg. i. 5 Some very few Seeds are divided, not into two Lobes, but more. 1681 N. Grew Musæum Regalis Societatis ii. v. 211 Of Berrys, Cones, Lobes, and some other Parts of Trees. 1681 N. Grew Musæum Regalis Societatis ii. v. 212 A Long Flat Lobe... Its whole Cavity is filled up with one single Fruit. 1731 P. Miller Gardeners Dict. (1733) (at cited word) A Pea or Bean being committed to the Ground, is first found to cleave into two Parts, which are, as it were, two Leaves or Lobes of the Placenta. 1760 J. Lee Introd. Bot. ii. viii. 90 Such as have the Lobes of the Corollæ bent obliquely to the Right. 1785 W. Cowper Task iii. 522 Then rise the tender germs, upstarting quick And spreading wide their spongy lobes. 1845 J. Lindley School Bot. (1858) iv. 26 c Leaves divided palmately into many narrow lobes. 1861 R. Bentley Man. Bot. ii. iii. 570 Corolla monopetalous, regular, tubular, with its lobes corresponding in number to the teeth of the calyx. 1875 C. Darwin Insectivorous Plants xiii. 292 The immersion of a leaf in pure water sometimes caused the lobes to close. 1880 A. Gray Struct. Bot. iii. iv. 98 Lobe is the common name of one of the parts of a simple blade, especially when there is only one order of incision. d. One of the divisions of the brain. Also, in the cerebellum, a group of folia marked off by unusually deep fissures. ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > lobe or lobule nates?1545 lobe1672 testis1681 vermiform process1836 olfactory lobe1837 island of Reil1840 rhinencephalon1846 worm1857 precuneus1879 insula1886 vermis1890 tonsil1891 the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cerebellum > parts of lobe1672 arbor vitae1800 nodule1839 amygdala1845 nodulus1848 uvula1848 roof nucleus1872 prepeduncle1886 declive1889 postpeduncle1889 archicerebellum1937 1672 R. Wiseman Treat. Wounds i. 134 A maid servant was shot into the right side of the Sinciput..she lived as long, viz. until the Lobe of the Brain was wrought out or corrupted. 1719 J. Quincy Lexicon Physico-medicum (1722) (at cited word) Bidloo uses the diminutive Lobellus, for [sic] little Lobe, for the four Processes of the Brain. 1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 411 The middle lobes of the brain, separated from the posterior by a groove directed obliquely backwards. 1849 H. M. Noad Lect. Electr. (ed. 3) 461 Of the four lobes of the brain, the fourth only is found to actuate the electric current; it is hence called the electric lobe. 1851 W. B. Carpenter Man. Physiol. (ed. 2) 558 That the Lobes of the Cerebellum are the parts specially concerned in the regulation of the muscular movements. 1872 T. H. Huxley Lessons Elem. Physiol. (ed. 6) viii. 196 The olfactory lobes which..form..a part of the brain. e. Zoology. A rounded projection or part of an organ. ΘΚΠ the world > animals > animal body > general parts > [noun] > lobe lobe1826 the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] > rounded projection > lobe lobule1682 lobulus1731 lobe1826 lobulation1879 1826 W. Kirby & W. Spence Introd. Entomol. III. 357 Lobi (the Lobes), the parts of the Maxilla above the Palpus. 1828 J. Stark Elements Nat. Hist. I. 352 The Galley Wasp..Two little lobes before the tympanum. 1843 W. Yarrell Hist. Brit. Birds III. 42 The vignette represents the structure of the foot..one lobe on each side each of the phalanges. 1846 R. Patterson Introd. Zool. 34 The lobes of the mouth become more or less distended. 1849 R. I. Murchison Siluria xiii. 342 The upper lobe of the tail. 1893 A. Newton et al. Dict. Birds: Pt. II 382 Their [sc. grebes'] feet..have the tarsi flattened and elongated toes furnished with broad lobes of skin. f. The larger or most important and projecting part of a cam-wheel. ΚΠ 1855 J. Ogilvie Suppl. Imperial Dict. (at cited word) The lobe of a cam-wheel is the portion of curve between two minor distances from the centre of rotation, and including a major distance between them. If the wheel has n lobes, then 2 π/n is the lobe-angle and there are n lobes in a revolution. g. Geology. A great marginal projection from the body of a continental ice sheet. ΘΚΠ the world > the earth > water > ice > body of ice > [noun] > sheet > margin of > projection from ice lobe1880 lobe1889 1889 Nature 3 Oct. 558 The moraines can be traced around continuously from one lobe to another. h. gen. ΚΠ 1877 J. Wells Bible Echoes iv. 47 You have often seen little lobes of gum on the bark of such trees as the fir-tree. i. A portion of the radiation pattern of an aerial which represents a group of directions of stronger radiation and is bounded on each side by directions in which there is minimum radiation. ΘΚΠ society > communication > telecommunication > radio communications > radio equipment > [noun] > aerial > parts of side lobe1843 downlead1910 anode tap1919 screen1922 lobe1926 radial1939 feed horn1952 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > radiation field > portion of lobe1926 1926 Bell Syst. Techn. Jrnl. 5 297 It is interesting to observe the variation in the diagrams... A lobe starts as a small bud, it grows in size until it reaches the unit circle, it then becomes dented. 1947 J. S. Hall Radar Aids to Navigation i. 13 All antennas radiate small amounts of power in directions other than the main lobe. 1959 R. D. Davies & H. P. Palmer Radio Stud. Universe iii. 39 In the simplest form of interferometer each narrow lobe of the aerial polar diagram produces its own small drift curve. 1968 Radio Communication Handbk. (ed. 4) xiii. 40/2 With increased spacing between the two aerials, more lobes appear... This type of pattern is not very useful, but if the intervening space is filled with aerials spaced λ/2, one pair of lobes grows at the expense of all the others, giving a sharp main beam with a number of relatively small minor lobes. j. Calligraphy. A curved projecting part of a letter. ΘΚΠ society > communication > writing > handwriting or style of > formation of letters > [noun] > part of letter tittle1538 dash1607 taila1627 i-dot1897 lobe1957 1957 N. R. Ker Catal. MSS containing Anglo-Saxon p. xxvii In minuscule of the eighth and ninth centuries a is a pointed letter, the back of which projects above the place at which it is joined by the lobe. 1969 M. B. Parkes Eng. Cursive Bk. Hands 1250–1500 p. xxvi The letter b comprises a stem or mainstroke which rises above the general level of the other letters and a lobe made with a curved stroke to the right of the stem. Compounds C1. General attributive. lobe-like adj. ΚΠ 1849–52 Todd's Cycl. Anat. & Physiol. IV. ii. 1224/2 Lobe-like expansions. C2. lobe-angle n. Mechanics (see quot. 1855). ΚΠ 1855 J. Ogilvie Suppl. Imperial Dict. at Lobe The lobe of a cam-wheel is the portion of curve between two minor distances from the centre of rotation, and including a major distance between them. If the wheel has n lobes, then 2 π/n is the lobe-angle and there are n lobes in a revolution. lobe-berry n. the seaside grape, Coccoloba uvifera, of the West Indies ( Treasury Bot. 1866). lobe-foot n. a lobe-footed bird. ΚΠ 1833 P. J. Selby Illustr. Brit. Ornithol. II. 166 In the Orkneys..the Red Lobefoot is a common species. 1835 L. Jenyns Man. Brit. Vertebr. Animals 214 Lobipes hyperboreus Steph. (Red Lobefoot). lobe-footed adj. having lobate feet, as some birds. ΘΚΠ the world > animals > birds > parts of or bird defined by > [adjective] > of feet > having lobed feet fin-footed1804 pinnatiped1828 lobiped1857 lobe-footed1872 1872 E. Coues Key to N. Amer. Birds 50 It is elevated in all swimming birds, whether lobe-footed, or partly or wholly web-footed. 1890 E. Coues Handbk. Field & Gen. Ornithol. ii. 190 In all truly lobe-footed birds, as coots,..grebes,..and phalaropes. ΘΚΠ the world > plants > part of plant > leaf > [noun] > leaflet lacinia1668 label1672 pinna1703 label1707 pinnula1707 ala1712 lobe1731 pinnule1751 lobe-leaf1758 leafit1761 little leaf1775 wing1776 foliole1785 leaflet1811 lobelet1850 auricle1861 lobule1880 pinnulet1881 pointrel1881 1758 J. Ellis in Philos. Trans. 1757 (Royal Soc.) 50 446 Because they have an equal number of pinnæ, or lobe-leaves, on the whole leaf of each tree. lobe-plate n. (see quot.). ΚΠ 1875 E. H. Knight Pract. Dict. Mech. Lobe-plate, a strong piece of cast-iron laid upon the keelson, etc., to support the parts of a marine steam-engine. Draft additions 1997 lobe-fin n. a crossopterygian fish. ΘΚΠ the world > animals > fish > class Osteichthyes or Teleostomi > [noun] > subclass Crossopterygii or order Coelacanthiformes > member of cœlacanth1857 crossopterygian1861 latimeria1940 lobe-fin1941 Old Fourlegs1956 1941 A. S. Romer Man & Vertebrates (ed. 3) i. 33 Typical lobefins were fresh-water fishes which..early became extinct. 1962 K. F. Lagler et al. Ichthyol. iv. 115 Cosmoid scales are found both in the living (Latimeria) and extinct lobefins. 1979 D. L. Dineley Fossils v. 120 Not long ago the lobe-fins were thought to have become extinct... Then in 1938 a living lobe-fin was dredged up. 1994 Nature 7 Apr. 507/1 For much of the middle of this century, there was general agreement that most of the Tetrapoda had arisen from osteolepiform lobefins. Draft additions 1997 lobe-finned adj. (of a fish) crossopterygian. ΘΚΠ the world > animals > fish > class Osteichthyes or Teleostomi > [adjective] > belonging to Crossopterygii > of or relating to member of lobe-finned1933 cœlacanthid1939 1933 A. S. Romer Man & Vertebrates i. 41 The ray-finned forms are the most important fish as fish. But far more important in an evolutionary sense have been the crossopterygians, the lobe-finned fishes. 1970 R. M. Black Elements Palaeontol. xvii. 249 The lobe-finned fish have, since the Devonian, remained numerically restricted. 1991 N. Eldredge Fossils iv. 92 Coelacanths are lobe-finned fishes. Their closest relatives are the extinct rhipidistians. This entry has not yet been fully updated (first published 1903; most recently modified version published online June 2022). < n.?1541 |
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