| 单词 |
heteroplastic |
| 释义 |
heteroplastic, a.|-ˈplæstɪk|
[f. as prec. + Gr. πλαστικός fit for moulding: F. hétéroplastique.]
1. Path. Of or belonging to heteroplasia; of the nature of a heteroplasm.
1854in Mayne Expos. Lex. 1876tr. Wagner's Gen. Pathol. 270 Tubercle, carcinoma, and other heteroplastic new-formations.
2. Biol. Dissimilar in formation or structure, as the different tissues of the body.
3. Surg. Said of a graft between two individuals of different species.
[1889: see homoplastic a. 2.] 1898Arch. f. Entwickelungsmech. d. Organismen VII. 471 There were obtained a number of larvae of normal external form, but which were composed of parts derived from two distinct species... The general biological interest attaching to such heteroplastic combinations is naturally great. 1908A. Carrel in Jrnl. Amer. Med. Assoc. 14 Nov. 1664/1 There are several varieties of heteroplastic transplantations according to the zoologic distance which separates the host and the owner of the transplanted tissue. 1909[see homoplastic a. 2]. 1917Brit. Jrnl. Surg. V. 199 Heteroplastic grafts—i.e. bones transferred from one animal to another of a different species—..show neither vitality nor proliferative capacity. 1923[see heteroplasty 1 b]. 1924Proc. Nat. Acad. Sci. X. 69 The heteroplastic transplantation of limbs. 1959Arkiv f. Zool. XII. 183 Heteroplastic transplantation would be a most valuable means of demonstrating the role of movable cells during a regeneration, because the chromosome number and morphology reveals the origin of the cells.
So heteroˈplastically adv.
1928Proc. Soc. Exper. Biol. & Med. XXV. 686 (heading) Growth of heteroplastically transplanted eyes and limbs in Amblystoma. 1932J. S. Huxley Probl. Rel. Growth II. ii. 53 Eyes and other organs when heteroplastically transplanted. 1960B. I. Balinsky Introd. Embryol. vi. 167 Hilde Mangold transplanted heteroplastically (from Triturus cristatus to Triturus taeniatus) a piece of the dorsal lip of the blastopore of an early gastrula. |
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单词 hesitatious 释义 † hesitatious, a. Obs. rare.[f. as prec. + -ous.]Characterized by h......