SUBJECT INDEX 



417 



Desensitization and homograft sensi- 

 tivity, 277-278 

 Diphtheria toxoid, 272, 280 

 Dura mater, homografting with, 1 1 1 



Electrolytes, effect on transplantation 



antigens, 8 

 Electrophoresis, of Triton-soluble 



Hpoprotein, 77-78 

 Embryonic tissue, compared with 

 tumour tissue, 288-289, 321 

 transplantation of, 120-124, 130 

 Enhancement, 2, 11, 154, 156, 226- 

 229, 234-235, 288 

 and tolerance, 143, 313-316, 323- 



324, 343-348, 407 

 by transplantation isoantigens, 72 

 by Triton-soluble hpoprotein, 86 

 due to antibody formation, 409, 



410 

 in prevention of runt disease, 299- 



300, 309 

 in transfer of tumours, 288, 289 

 measurement of, 293 

 of non-tumour tissues, 322-323 

 passive transfer of, 322-323 

 protection against runt disease, 



mechanism, 319 

 relation with runt disease, 343- 



^348 

 role in survival of homografts, 



226-230, 232 

 tissue containing antigens, 290-291 

 Enhancement antibodies, action of, 



319 

 Enhancing antigen, 1 1 



specificity of, 63 



tissues containing, 290-291 

 Enzyme inactivation, 41 

 Enzymes, eifect on Triton-soluble 



lipoprotein, 81, 82, 87 

 Epidermal cells, antigenic properties 

 of, 37 



antigens prepared from, 27 



Epidermal cells, 



extracts, stabihty of, 37 



sensitizing action, 14 

 Erythrocytes, see Red cells 

 Eye, anterior chamber of, as privileged 



site, 108 



Facilitation, see Enhancement 



Factor of immunization, 185-215 

 and acquired tolerance, 205-206 

 calculation of, 192-193 

 in response to ST/A antigen, 190- 



194 

 interpretation of, 211 

 strain differences, 194-196 



Foetal hver cells, tolerance mediated 

 by, 253, 257, 267-268 



Foetal skin homografts, survival of, 

 104 



Foetus, acquired immunity, 149 

 antigenic maturity of, 118 

 inoculation of, 149 



Foetus-mother immunological rela- 

 tionship, see Mother-foetus im- 

 munological relationship 



Foreskin homografts, 1 1 1 



Freezing, effect on H-2 antigens, 62, 



69 

 Friend virus, 154 



Gene mutation, 214-215 

 Glycohpid, in H-2 antigens, 61 

 Grafts, relation with blood groups, 22 

 Graft-versus-host reaction, 2, 140, see 

 also Runt disease 

 and tolerance, 404-405, 406 

 antigenic strength and, 200 

 causing splenomegaly, 206-207 

 chorioallantoic membrane assay of, 



185 

 due to lymphocytes, evaluation of, 



246-251 

 effect on immunological reactivity, 

 405, 406 



