heterologousadj.
/hɛtəˈrɒləɡəs/ Having a different relation, or consisting of different elements; not corresponding: opposed to homologous adj. spec.
a. Pathology. Of a different formation from that of the normal tissue of the part.
ΘΚΠ
the world > relative properties > relationship > variety > [adjective] > miscellaneous or heterogeneous
difform1525
maslin1590
several1590
heterogeneana1601
miscellane1603
heterogeneal1605
miscellaneous1615
heterogeneous1629
miscellany1629
miscellanean1632
miscellaneal1633
stromatic1656
sundry1678
heterogenous1695
sorted1697
well-assorted1757
various1772
misc.1806
variegated1815
olla-podrida-ish1827
unhomogeneousa1830
olla-podridical1830
heterologous1834
non-homogeneous1853
cut-and-paste1864
assorted1897
sorty1899
inhomogeneous1904
1834 S. Cooper Good's Study Med. (ed. 4) II. 578 (note) One of the heterologous formations, as they are termed by Professor Carswell, in his Illustrations of the Elementary Forms of Disease.
1864 W. T. Fox Skin Dis. 25 New formations are homologous (epidermic, pigmentary, dermic), or heterologous (pseudoplasms, neoplasms).
1876 T. Bryant Pract. Surg. (ed. 2) I. iii. 95 The same kind of tumour may be, under certain circumstances, homologous, and under other circumstances heterologous.
b. Chemistry. (See quot. 1886.)
ΚΠ
1880 Libr. Universal Knowl. VI. 609 His Précis de Chimie Organique, in which he [Gerhardt] sketches the idea of ‘Homologous and Heterologous Series.’
1886 New Sydenham Soc. Lexicon H[eterologous] series, Gerhardt's term for bodies derived from each other by definite chemical metamorphoses, in contradistinction to Homologous series.
c. In wider use (see quots.).
ΘΚΠ
the world > life > biology > biological processes > stimulation > [adjective] > qualities of stimulus
heterologous1889
suprathreshold1911
subthreshold1937
pleiotypic1971
1889 V. H. W. Wingrave Dunman's Gloss. Biol. Terms (rev. ed.) App. 175 Heterologous stimuli, stimuli which will excite a sensory nerve when applied either to its termination or in its continuity.
1893 tr. A. Weismann Germ-plasm ix. 266 Homologous determinants and ids co-operate, while heterologous ones do not.
1913 Amer. Jrnl. Physiol. 32 230 Aronsohn..declared that substances in solution when poured into the nose, could be smelled... This conclusion was confirmed by Vaschide (1901), and by Veress (1903), though the latter showed that the solutions tested were rather in the nature of heterologous than homologous stimuli.
d. Pathology and Bacteriology. Deriving from, associated with, or belonging to another species or type of organism or an antigen or antibody of different constitution.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic constitution > [adjective] > different type
heterologous1893
1893 W. N. Parker & H. Rönnfeldt tr. A. Weismann Germ-plasm ix. 265 In the crosses between different species, the idioplasm of a cell in many stages will be composed of homologous as well as of heterologous ids.
1910 Jrnl. Pathol. & Bacteriol. 14 30 We have endeavoured to determine whether..the inoculation of heterologous bacteria..affects the production of specific agglutinins in animals previously immunised against the Bacillus coli.
1915 Lancet 3 Apr. 701/2 (heading) Heterologous transplantation: mouse tumours in rats.
1916 Jrnl. Pathol. & Bacteriol. 20 214 Heterologous resistance as exemplified in the reactions of the sera of animals immunised with transplanted new growths from alien species.
1933 W. W. C. Topley Outl. Immunity vi. 91 A serum that agglutinates the same bacterium but has been produced by the inoculation of some other bacterium, differing in one or more of its antigenic components, is termed a heterologous serum.
1958 Nature 13 Dec. 1678/2 The multiplication of extraneous viruses in tumours grown in homologous and heterologous hosts depends on the host animal.
This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2022).
<
adj.1834