III-. I ERi (GENETIC 



565 



111. I EROPHYADIC 



series of states from those exhibited by the parents, 

 and do not return into the cycle of the parents i Hux- 

 ley). Milne-Edwards has substituted the word A 

 genesis, (/. v. 



Heterogenetic [het-er-o-jen-etf -ik) [erepoc, other; 

 ii ration]. Pertaining to heterogenesis. 



Heterogenist [het-er-oj f -en-ist). See ./ nesis. 



Heterogeny [het-er-oj'-en-e). Same as H sis. 



Heterogenous [het-er-og'-o-nus) [erepoc, other; 



generation]. In biology, having several kinds of 

 flowers as regards the length of the .stamens and 

 styles ; betero-styled. Cf. Dimorphous, 7'rimorpiious. 



Heterogony [het-er-og' -o-ne) [erepoc, other; }6vog, 

 generation]. A form of reproduction that consists 

 in the occurrence, in the cycle of development, of in- 

 dividuals differing in structure from the parent forms 

 and existing under special conditions of nutrition. 



Heterogynous [het-er-oj' '-in-us) [erepoc, other, differ- 

 ent ; yvvij, female]. In biology, applied to certain 

 groups of insects among which there are two kinds of 

 females, one sexually perfect, the other not. 



Heteroinfection [ket-er-q-in-fek' -shun) [frepoc, other; 

 inficere, to taint] . I. Infection transmitted by a person 

 who is himself not infected. 2. Infection of any 

 organism by a poison not produced within itself; op- 

 posed to auto-infection. 



Heteroinoculation [ket-er-o-in-ok-u-la' -shun) [erfpoc, 

 other; inoculatio, an ingrafting]. Inoculation of one 

 person by another. 



Heterokinesis [ket-er-o-kin-e' '-sis) [erepoc, different; 

 Kivelv, to move]. In biology, Weismann's term for that 

 kind of nuclear division in which the two daughter- 

 nuclei contain different kinds of idioplasm, i.e. , nuclear 

 division depending upon a heterogeneous grouping of 

 the primary constituents and resulting in parts contain- 

 ing dissimilar hereditary tendencies. Cf. Homeokinesis. 



Heterolalia [het-er-o-la* '-le-ah) [itTepog, other; Aa/ua, 

 talk]. The utterance of words other than those in- 

 tended by the speaker ; heterophemy. 



Heterologous (het-er-ol'-o-gus) [erepoc, other; \6yoc, 

 relation]. Differing in structure or form from the 

 normal. H. Series, a series derived from each other 

 by chemic metamorphoses H. Tissues, morbid tis- 

 sues that have no structural relation with the normal 

 tissues of the part. H. Tumors, tumors constituted 

 of a different tissue from that of the part in or on which 

 they are situated. 



Heterology [het-er-oV -o-je) [erepoc, other; A.6yog, rela- 

 tion]. Abnormality in nature, form, or structure ; de- 

 velopment of an abnormal structure. 



Heterotopia, Heterolopy [het-er-o-lo 1 '-pe-ah, het-er-ol f - 

 o-pc) [erepoc, other; /W(5c, scale]. The presence of 

 abnormal scales, crusts, or scabs. 



Heteromastigate [het-er-o-mas' -tig-at) [erepoc, other, 

 different ; fidarig, a whip]. In biology, having more 

 than one kind of flagellum. 



Heteromerous [het-er-om' '-er-us) [erepoc, other ; fiepog, 

 a part]. In biology, having homologous parts di- 

 versely composed. 



Heteromorphism [het-er-o-mor' '-fiz»i) [trrpoc, other ; 

 fiopffj, form]. A condition marked by difference in 

 form, as compared with the normal form. In chem- 

 istry, the property of crystallizing in different forms. 

 In biology: I. A state of deviation from a type or 

 norm. 2. Exhibiting different forms at different 

 stages in the life-history. 



Heteromorphosis [het-er-o-mor-fo r -sis) \j repor, other ; 

 fi6p<puoiq, formation]. Malformation or deformity; 

 any disease characterized by deformity. 



Heteromorphous [het-er-o-mor' -/us) [erepof , other ; 

 uop<pij, form]. Differing from the normal in form. 



Heteronephrotrophy [het-er-o-nef-rof -ro-fe) [erepoc, 



other; . kidney; nutrition]. Malnu- 



trition or degeneration of any part of die kidney. 



Heteronomous [het-er-on' '-o-tnus) [irtpor, other ; r 

 law]. In biology, divei n in any series or set 



of morphologically related structures through special- 

 ization. 



Heteronomy [het-er-on' '-o-me) [erepoc, other; vopoc, 

 law], i. Subordination to a law of adaptive modifi- 

 cation. 2. 'I in- presence of segmentation. Cf. Auton- 

 omy and //<>/// nomy. 



Heteronym [hef '-er-o-nim | [ repoc, other; bwpa, name]. 

 An unrelated synonym; a name in one language that 

 corresponds to the same name in another language, but 

 1m- no near derivative relationship thereto. 



Heteronymous [het-er-on' '-im m i [erepoc, other; bwpa, 

 name]. Not homonymous ; applied tocrossed double 

 visual images, such as are seen when there is a rela- 

 tive divergence of the eyes. 



Heteronymy [het-er-on' '-im-e) [erepoc, other; in vim, 

 name]. A system of polyglot nomenclature in which 

 exact synonyms are used in each language to repi' 

 sent corresponding but unrelated words in other lan- 

 guages ; compare paronym v. 



Hetero-osteoplasty [hef -er-o-os' -te-o-plas-te) \j~epoc,, 

 other; borkm , bone ; -/acattv, to form]. The surgi- 

 cal grafting of bone, especially with a graft taken 

 from a bone of one of the lower animals. 



Heteropagus [het-er-op r -ag-us) \erepoi ,oth< r; _ ,, virvat, 

 to unite]. A monstrosity with normal head, upper 

 and lower extremities, but with a parasite attached to 

 the anterior abdominal wall. The parasite has a head 

 and extremities. 



Heteropathic [het-er-o-path' '-ik) \jrepor, other ; Tradoq, 

 disease]. Pertaining to or making use of hetero- 

 pathy. 



Heteropathy [het-er-op 1 '-ath-e) [erepoc, other ; -adoq, 

 affection]. The treatment of a disease by inducing a 

 different morbid condition to neutralize it. Abnormal 

 reaction to stimulus or irritation. 



Heteropelmous [het-er-o-pel' -mus) [erepoc, different ; 

 •Kekiia, the sole of the foot]. In biology', applied to 

 birds in which each of the flexor tendons of the sole 

 of the foot splits into two. 



Heterophagous [het-er-off' '-ag-us) [hepor, other, differ- 

 ent ; (payeiv, to eat]. In biology, applied to young 

 animals that require to be fed by the parents ; altri- 

 cial. 



Heterophemism [het-er-off' '-em-izm). See Heterophemy. 



Heterophemy [het-er-off' '-em-e) [erepoc, other; <p 

 utterance]. The utterance of one thing when another 

 is intended ; heterolalia. 



Heterophonia [het-er-o-fo' '-ne-ah) [erepoc, other; tpuvij, 

 voice]. Abnormal quality or perversion of the voice. 



Heterophoralgia [het-er-o-for-al' '-je-ah) [erepoc, other; 

 ipopdg, tending; akyoq, pain]. Eye-strain or ocular 

 pain caused by heterophoria. 



Heterophoria [het-er-o-fo' -re-ah) [erepoc, different ; 

 Qopor, tending]. A tending of the visual lines in 

 some other way than that of parallelism. It may be 

 Esophoria, a tending of the lines inward ; or Exo- 

 phoria, outward ; or Hyperphoria, a tending of the 

 right or left visual line in a direction above its fellow ; 

 Hyperesophoria, a tending of the visual lines upward 

 and inward ; Hyperexophoria, upward and outward. 



Heterophoric (het-er-o-fo' '-rik) \krepoq, other; <popo<;, 

 tending]. Due to heterophoria. 



Heterophthongia [het-er-off-thong' -e-ah) [erepoc, other ; 

 dddyyoc, sound]. Synonym of Ventriloquism. 



Heterophyadic [het-er-o-fi-aoV -ik) [erepoc, other, dif- 

 ferent ; en mill it, to grow]. In biology, characterized 

 by producing two kinds of stems, e.g., one fertile, the 

 succeeding one sterile. 



