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单词 explantation
释义

explantationn.

Brit. /ɛksplɑːnˈteɪʃn/, /ᵻksplɑːnˈteɪʃn/, /ɛksplanˈteɪʃn/, /ᵻksplanˈteɪʃn/, U.S. /ˌɛksˌplænˈteɪʃ(ə)n/, /ᵻksˌplænˈteɪʃ(ə)n/
Forms: late Middle English explanaciones (plural, transmission error), late Middle English explanacions (plural, transmission error), late Middle English explanacionz (plural, transmission error), late Middle English explanaciouns (plural, transmission error), late Middle English explanacyons (plural, transmission error), 1500s–1600s 1900s– explantation.
Origin: Of multiple origins. Partly a borrowing from Latin. Partly formed within English, by derivation. Etymons: Latin explantation- , explantatio ; explant v., -ation suffix.
Etymology: In sense 1 < post-classical Latin explantation-, explantatio (1363 in Chauliac) < classical Latin explantāt- , past participial stem of explantāre explant v. + -iō -ion suffix1. Compare Middle French, French explantation (1546 or earlier). In sense 2 independently < explant v. + -ation suffix, after implantation n.The Middle English examples are all from the same text, and apparently show a shared error or misapprehension of the word; it is uncertain whether association with (unrelated) explanation n. is a factor.
1. A process or branch of a bone, nerve, etc.; an outgrowth of tissue. Also: the sending out of one structure from another. Obsolete.
ΘΚΠ
the world > relative properties > wholeness > incompleteness > part of whole > [noun] > offshoot
scionc1384
explantation?a1425
sprig1575
offset1642
ramification1755
off-branch1793
offshoot1814
the world > relative properties > wholeness > incompleteness > part of whole > [noun] > offshoot > sending forth as
explantation?a1425
?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 12 (MED) Of þe neþer cheke forsoþ þe bone haþ..in þe extremiteez..explanacions [read explantacions; c1450 Sloane 1 explanaciouns, c1450 Sloane 965 explanaciones; L. explantaciones] Y called barbifourmes .i. like a berd.
?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 71 (MED) Bi þe sidez [of the brain] goth out many explanacionz [read explantacionz; c1450 Sloane 1 explanaciouns, a1500 Cambr. explanacyons; L. explantaciones] of noble neruez.
1578 J. Banister Hist. Man v. f. 83v [The bladder] goeth into a necke, for the emplantation and explantation of certaine passages.
1615 H. Crooke Μικροκοσμογραϕια 378 Thredy strings..to which more fleshy explantations or risings do accrew.
1658 Sir T. Browne Garden of Cyrus iii, in Hydriotaphia: Urne-buriall 158 In vegetable composure, the unition of prominent parts seems most to answer the Apophyses or processes of Animall bones, whereof they are the produced parts or prominent explantations.
1668 N. Culpeper & A. Cole tr. T. Bartholin Anat. (new ed.) ii. vii. 114/1 They are greater then the Valves of the Cava, have longer threds..and for strengths sake very many fleshy Explantations.
2. The removal of cells, tissue, or an organ from the body; the removal of a previously implanted or transplanted device or organ; an instance of this. Cf. explant v. 2.
ΘΚΠ
the world > life > biology > laboratory analysis > processes > [noun] > culturing
culture1880
cultivation1881
plate culture1885
plate cultivation1886
test-tube culture1886
plating1898
subculturing1899
test-tube cultivation1899
explantation1915
replica plating1952
1915 Amer. Jrnl. Anat. 17 341 The trouble lies either in..poor chick material, or some manipulation during the process of explantation.
1944 Q. Rev. Biol. 19 109/2 Our knowledge of the mode and time of action of both the dominant and recessive genes responsible for white coloration has been carried a step further by transplantation experiments..and explantations.
1970 tr. E. Wolff in tr. J. A. Thomas Organ Culture i. 3 Explantation in vivo consists of grafting a fragment of tissue or organ into the body of an adult or embryonic host.
1992 Philadelphia Inquirer Mag. 11 Oct. 20/1 Friedberg's implant removal, called an explantation, took place early on the morning of June 16 at Bryn Mawr Hospital. During it, Noone would learn if the implants had ruptured or not.
2009 Nature 26 Nov. 411/3 Explantation can go ahead once all functions of the entire brain have irreversibly ceased.
This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022).
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n.?a1425
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