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单词 proximal
释义

proximaladj.n.

Brit. /ˈprɒksᵻml/, U.S. /ˈprɑksəm(ə)l/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin proximus , -al suffix1.
Etymology: < classical Latin proximus proxime adj.1 + -al suffix1.
A. adj.
1. Lying very near or close to something; proximate, immediate.
ΘΚΠ
the world > relative properties > relationship > similarity > [adjective] > approximating or approaching
approximant1641
approximate1646
proximate1657
near1685
proximal1727
nudging1796
warm1860
approaching1874
the world > existence and causation > causation > [adjective] > of or relating to types of cause
nigh1551
next1581
procatarctical1601
procatarctic1603
objective1620
defective1624
univocala1640
proximate1641
propinque1649
proxime1649
proegumene1650
proegumenal1656
con-causal1660
proegumenical1663
propinquate1665
proegumenous1676
synectical1697
proegumenic1711
proximous1724
proximal1828
synectic1869
monocausal1937
1727 P. Longueville Hermit 71 Qualifications so proximal and suitable to my Inclinations.
1828 N. Webster Amer. Dict. Eng. Lang. Proximal.
1858 I. Mayhew School Funds & School Laws Michigan i. 151 The other [portion of air], entering the proximal end of the second wing [of the building], passes on to the end.
1884 American 7 233 The proximal cause of the glory.
1935 A. P. Herbert What a Word! iv. 113 Pavilions No. 1 and No. 2 will be devoted to ambulant female patients, who will now be more proximal to the administrative theatre.
1989 Psychol. Today Sept. 16/2 When a meeting is small, people should be seated in proximal relationships where they can all face one another.
2005 Independent (Nexis) 5 Jan. 32 If the waves had caused such damage so far away then this proximal area would have been devastated.
2. Frequently opposed to distal adj. a.
a. Anatomy and Zoology. Originally: designating a part of a limb that is nearest or nearer to the trunk. Later also: situated close or closer to the point of attachment or origin of a body part, or towards the centre of a body.
ΘΚΠ
the world > life > the body > positions or directions in body > [adjective] > specific
rightOE
lefta1200
lowera1400
furtherc1400
lateral?a1425
sinistera1500
upper1528
anterior?1541
inferior1563
superior1566
oblique1578
high1588
ascendant1611
prone1646
peripherial1653
internal1657
supine1661
peripherical1690
gawk1703
ascending1713
adducent1722
submental1722
adductory1752
subdorsal1783
syntropic18..
atlantal1803
mesiad1803
mesial1803
proximal1803
sternal1803
distal1808
peripheral1808
peripheric1818
ventripetal1819
submedial1825
anteriormostc1826
subvertebral1827
afferent1828
sinistral1828
rostral1834
interganglionic1835
submedian1836
mesian1837
haemal1839
supravaginal1844
neural1846
symmetrical1851
suprameatal1853
paraxial1861
posterial1866
hypaxial1873
postaxial1873
preaxial1873
transmedial1876
transmedian1876
mediad1878
horizontal1881
mesal1881
prosomatic1882
dextrad1883
paramedian1890
prorsal1890
ventro-dorsal1895
midsagittal1898
ventro-axial1902
ventro-posterior1903
ipsilateral1907
parasagittal1907
ventromedial1908
homolateral1910
suprasellar1912
supratemporal1975
1803 J. Barclay New Anat. Nomencl. 124 We may..denominate the end [of a limb] which is nearest to the trunk the Proximal end, and that which is farthest from it the Distal.
1877 T. H. Huxley & H. N. Martin Course Elem. Biol. (ed. 4) 213 A third bone..articulates only with the carpal bones on the proximal and distal sides of it.
1939 T. L. Green Pract. Animal Biol. i. 159 Examine the wrist and forefoot very carefully and see that it is composed of a proximal and distal row of carpals separated by a centrale.
1968 Jrnl. Pediatrics 73 85 The findings were consistent with type A interruption of the aortic arch, in which all the arteries to the head, neck, and upper extremities arise from the proximal aortic arch.
1995 J. S. Ryland in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe xi. 629 The end of the zooid nearest the origin of the [bryozoan] colony is termed proximal, while the end furthest away is distal.
b. In extended use: closer to a centre, axis, or point of attachment; (Physiology, with respect to a direction of flow, conduction, etc.) closer to the source or point of entry.
ΚΠ
1877 M. Foster Text Bk. Physiol. i. iv. 88 To place a clamp on the vessel on the proximal side of the ligature.
1882 D. Hooper in Standard 10 Oct. 2/2 The drainage-pipes are..very imperfectly..connected at their proximal or house termination.
1900 Bot. Gaz. 29 160 The absorbing region is seen to consist of a slender, proximal portion..penetrating the epidermal wall of the cell, within which it enlarges into a vesicular, distal portion.
1943 H. Davson in H. Davson & J. F. Danielli Permeability Nat. Membranes xx. 289 From Bowman's capsule a short neck leads into a proximal convoluted tubule and this into a U-shaped portion, the descending and ascending limbs of the loop of Henle.
1970 Nature 19 Dec. 1225/1 There is a gradient of dormancy within the spikelet, the larger proximal seed being less dormant than the smaller distal seed.
2004 Plant Physiol. 135 300/2 The proximal sheath wraps around the stem and the distal blade lies flat to optimize photosynthesis.
c. Geology. Close or closer to a sedimentation zone, volcanic vent, or other region of geological activity.
ΚΠ
1934 Geografiska Annaler 16 17 Such changing lobes and interlobes are of course apt to affect the normal thickness of the varve-succession at a single locality and are an important cause to the local thickness deviations of certain proximal varves.
1949 Sedimentary Rocks xiv. 444 The terms ‘proximal’, ‘axial’, or ‘distal’ also may be applied to the deposits according to their position in the trough of deposition. The proximal sediments are those coarse clastics nearest the source area.
1985 R. Thorpe & G. Brown Field Descr. Igneous Rocks v. 55 The proximal zone (ca. 5–15 km from the central vent) has a higher proportion of lava flows, with a variety of pyroclastic flow deposits.
3. Dentistry. Of, relating to, or designating a surface of a tooth which faces or touches the adjacent tooth.
ΘΚΠ
the world > life > the body > digestive or excretive organs > digestive organs > mouth > substance or parts of teeth > [adjective] > between adjacent surfaces
proximal1872
interdental1875
interproximal1897
1872 Dental Cosmos. 14 225 The most satisfactory practice of making accessible the proximal cavities of the incisors and cuspids.
1908 G. V. Black Work on Operative Dentistry II. 3 Cavities occurring in the proximal surfaces of the teeth are called proximal cavities.
1944 S. Hemley Fund. Occlusion vi. 150 The teeth in the same arch in the adult dentition are normally in proximal contact with each other on both the mesial and the distal surfaces.
1993 Jrnl. Periodontol. 64 730 The treatment also affected the proximal surface of the defect-adjacent tooth.
4. Psychology. Of a stimulus: immediately responsible for the stimulation of a sense receptor.
ΘΚΠ
the mind > mental capacity > psychology > experimental psychology > stimulus-response > stimulus > [adjective] > immediate
proximal1935
1935 K. Koffka Princ. Gestalt Psychol. iii. 80 The table..can be called a stimulus for our perception of a table;..the excitations to which the light rays coming from the table give rise are called the stimuli for our perception. Let us call the first the distant stimulus, the second the proximal stimuli.
1955 F. H. Allport Theories of Perception v. 147 The gestaltists point out the necessary differences between the proximal stimulus-pattern and the percept,..and attribute the ‘way things look’ to the organizing forces of the brain-field.
1991 Mind 100 20 An algorithm that maps proximal visual arrays onto perceptual judgements in such fashion that the..arrays that are caused by looking at the moon when it's near the horizon reliably elicit overestimates of size.
B. n.
Chiefly Zoology. A proximal part, feature, etc.
ΚΠ
1870 Trans. Amer. Philos. Soc. 14 48 From the cervical proximal regions probably three vertebræ are missing... Most of the proximals have been broken medially.
1885 Science 14 Aug. 139/1 These plates..are represented by the so-called ‘proximals’, or ring of plates surrounding the central piece.
1955 Philos. Trans. (Royal Soc.) B. 239 21 Elevator muscles... These..are arranged in two groups, proximals and distals.
2000 Amer. Antiq. 65 730/1 Distal fragments outnumber proximals.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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adj.n.1727
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