492 



INDEX 



Oocyte, 149 (see also ova) 



growth of, 64 

 Oral cavity, no 



plate, 28 

 Orientation of embryo, 15 

 Os penis, 146 



Osteogenic sarcoma, 194, 207 

 Osteoma, 193, 200 



Otitis media, due to infectious catarrh, 413 

 Ova, 150 (see also egg, oocyte) 

 degeneration of (see atresia) 

 experimental transfer of, 258 

 high mortaUty among, 64 

 length of life of, 62 

 meiosis in, 62 

 number of, 61 



parthenogenetic development of, 154 

 polynuclear, 61 

 proliferation of, 59 

 Ovarian follicles, atresia of (see atresia) 

 growth of in adult, 62, 64 

 in young mice, 60 

 prior to ovulation, 73 

 length of life of, 63 

 mature, 149, 150 

 polyovular, 61 

 primary, 149 

 Ovarian tumors, 222 

 cystic, 22^ 

 embryonal, 225 

 granulosa-cell, 224 

 solid, 224 

 Ovary, 148 



changes during estrous cycle, 73 

 in vitro growth of, 63 

 ligation of, 63 

 mitotic activity in, 74 

 regeneration of, 64 

 transplantation of, 65 

 x-rayed, 63 

 Oviduct, 155 



changes during estrous cycle, 72 

 distension following ovulation, 77 

 Ovogenesis, 59 



cyclic in young mice, 61 

 Ovulation, 76, 149 



corpora lutea of, 80, 153 

 follicle growth prior to, 73 

 Oxyuris obvelata, 365 

 tetraptera, 365 



Palate, hard, no 



soft, no 

 Palatine glands, no 

 Pancreas, 126 



inclusion bodies in, 436 



tumors of, 221 

 Paneth cells, 121 

 Papilla, renal, 130 

 Papillae, of corium, 106 



of the tongue, 1 1 1 

 Papillary adenocarcinoma, of lung, 210 

 Papillary adenoma, of ependymal cells, 229 

 Papillary cyst adenocarcinoma, of kidney, 



221 

 Papilloma, 195 



of renal pelvis, 221 



of urinary bladder, 222 

 Paralysis, due to coliform bacillus, 388 



to Coryncbactcrium murisepticum, 397 

 to encephalomyelitis of mice, 443 



in mouse arthritis, 400 

 Parasites, 349 (see also helminths, nematodes, 

 protozoa, tapeworms) 



as vectors, 350 



Aspicularis tetraptera, 365 



Capillaria bacillata, 369 



Cimex ledularius, 372 



Cysticercus fasciolaris, 360 



Echinolaelaps echidnhiiis, 375 



eradication of, 371, 373 



Gongyloncma miisculi, 369 

 neoplasticum, 368 



Hcterakis spumosa, 369 



Hoplo pleura acanthopus, 370 

 hesperomydis, 370 



Hymenolepis dim inula, 363 

 fraterna, 360 

 microstoma, 364 



importance of, 349 



Lcptopsylla musculi, 371 



Liponyssus bacoti, 374 



Longistriata musculi, 367 



Myobia musculi, 375 



Myocoptes musculinus, 376 



Nippostrongylus muris, 367 



Nosopsyllus fasciata ,371 



Ollulanus tricuspis, 369 



Polyplax serrata, 370 

 spinulosa, 370 



