| 释义 |
implantation|ɪmplɑːnˈteɪʃən, -plænˈt-|
[a. F. implantation, noun of action f. implanter to implant.]
The action or process of implanting; the fact or manner of being implanted.
1. Anat. The insertion of an organ, muscle, etc.; esp. as to its manner and place. Cf. implant v. 1.
1578Banister Hist. Man i. 13 The implantation of the teeth is not in one, as an other sheweth. 1615Crooke Body of Man 815 They [two muscles] haue but one tendon and one implantation. 1650Bulwer Anthropomet. 62 Ending in that part wherein the anteriour implantation of Temporal Muscle ariseth. 1854Owen Skel. & Teeth in Circ. Sc., Organ. Nat. I. 270 The teeth of the sphyræna are examples of the ordinary implantation in sockets. 1890H. Ellis Criminal iii. 67 An implantation of the ears farther back than is normal.
2. The action of planting or setting in the ground. Also fig. Cf. implant v. 3.
a1600Hooker Eccl. Pol. vii. viii. §7 To make such provision for the direct implantation of his church. 1650Brief Disc. Fut. Hist. Europe 15 By saving of Noahs family to preserve a seed for the implantation of a new. 1727–41Chambers Cycl., Implantation, one of the six kinds of transplantation, used by some for the sympathetic cure of certain diseases. [Process described.] a1817T. Dwight Theol. (1830) I. v. 135 The vegetable world..from its first implantation in the soil to its full growth.
†3.
a. Engrafting. Obs. rare.
1652Warren Unbelievers (1654) 23 The Gardners knife..cannot cut off a branch, nor be helpful to the implantation of it, without the hand of the Gardner. 1660Sharrock Vegetables 66 Apricots and Peaches, being secured upon their own stocks, will admit implantation unto another also.
†b. fig. Theol. ‘Engrafting’ into Christ. Obs.
1640Bp. Reynolds Passions xi. 99 Hence we reade so often..of a Spirituall Implantation unto him [Christ] by Faith. a1655Vines Lord's Supp. (1677) 213 Baptism is first for insition and implantation. 1702C. Mather Magn. Chr. iii. i. App. (1852) 346 A sinner's preparation for, implantation in, and salvation by, the glorious Lord Jesus Christ.
c. Path. The engrafting of a morbid or malignant growth.
1897Allbutt's Syst. Med. III. 538 The observations of Hauser have thrown some light on the implantation of cancer on the ulcer. Ibid. 725 These [growths] are to be regarded..as examples of successful implantation or grafting of particles of malignant growth.
4. The introduction and fixing of a principle, idea, etc. in the mind. Cf. implant v. 2.
1653H. More Antid. Ath. (1662) 26 The implantation of the Idea of God in the Soul. 1669Gale Crt. Gentiles i. iv. 25 This desire of Navigation found a kind of natural implantation in these Phenicians. a1708Beveridge Thes. Theol. (1710) I. 362 The implantation of Christ's righteousness in sanctification, taking away the implantation of Adam's sin in us. 1875E. White Life in Christ v. xxviii. (1878) 475 The moral judgment which is oftentimes appealed to by Christ as a correct rule of decision, because of divine implantation.
5. a. The firm placing or planting of the foot.
1870Rolleston Anim. Life 59 By the protrusion and implantation of which [the muscular foot] into the soft bottoms of the ponds and streams in which these creatures [fresh-water mussels] live.
b. Surg. The (or an) operation of implanting something in the body (see implant v. 1 b). Also attrib.
1885M. Hay tr. H. von Ziemssen's Handbk. Gen. Therapeutics II. 399 The method described by Bruns, and characterised by him as dry injection or implantation... In this, the drugs are likewise applied in thin cylinders or plugs, for the introduction of which..a special form of implantation needle is used. 1886Syd. Soc. Lex., Implantation,..the planting of a new sound tooth into the cavity from which a decayed one has been removed. Also, the engrafting of pieces of epidermis on the surface of an ulcer to promote skin formation. Ibid., Implantation, medicamental, the introduction of solid substances into the structures of the body, either to destroy a morbid growth or to produce a general therapeutical effect. Ibid., Implantation needle, an instrument invented by Bruns for the practice of hypodermatic implantation. 1886W. D. Younger (title) Implantation of teeth and pericemental life. 1887Lancet 12 Feb. 334/1 Implantation is the ingrafting of a natural tooth into an artificial socket. 1929Jrnl. Amer. Med. Assoc. 1 June 1900/2 In cases..in which it is not possible to remove the oviducts without removing the ovaries, Michel cuts off a piece of one of the resected ovaries..and sutures it to the uterus... He obtained good results in six out of seven cases in which he used his method of auto⁓plastic implantation of a portion of an ovary. 1938Lancet 10 Sept. 606/2 A very prolonged effect of certain androgens and œstrogens could be obtained by a single implantation, under the skin, of pure dry hormone in the form of crystals or compressed tablets. 1963Ibid. 12 Jan. 77/2 Troensegaard-Hansen (1956) described the treatment of intermittent claudication by implantation of human amnion into the thigh. 1969H. A. Salhanick et al. Metabolic Effects Gonadal Hormones 723 The most direct experimental approach to this problem is by the intracranial implantation of small amounts of crystalline steroids.
6. Embryol. The attachment of the fertilized ovum (blastocyst) to the wall of the uterus.
1902A. Keith Human Embryol. viii. 96 The implantation of the ovum in the decidua is in the posterior wall of the uterus in over 60% of cases. 1936F. J. Taussig Abortion iv. 70 In about ten days from fertilization, the ovum is ready for implantation. 1969Klopper & Diczfalusy Foetus & Placenta iii. 62 Implantation begins on the 20th day of the cycle, and probably takes several days to complete... The great majority of implantations in the case of the human take place in the fundus of the uterus and in the posterior wall.
7. Physics. The introduction of ions into a crystalline structure by bombardment with an ion beam.
1965Nuclear Instruments & Methods XXXVIII. 169/2 Implantations reported in this paper were made in a 24 inch radius calutron. 1967Canad. Jrnl. Physics XLV. 4053 Because of the nonequilibrium nature of the implantation process, the relative number of impurities on substitutional and interstitial sites may differ from that observed following conventional thermal diffusion. 1973Sci. Amer. Apr. 65/3 The accelerated-ion technique offers fairly precise control of both the number of ions implanted and the depth of implantation. |