OPPENHi:iM, R. W.; Ph.D. - Neuroembryol. Lab., North Carohna Dept. of Mental Health, Dorothea 

 Dix Hosp., Box 7532, RALEIGH, NC 27611, USA 



a Neural and behavioural aspects of embryonic development (behavioural observations, microsur- 

 gery). GaUus gallus. Anas platyrhynchos, Columba livia (Aves) 



b Early embryonic transplantation of brain and sense organs between species. Gallus gallus. Anas 

 platyrhynchos, Coturnix coturnLx (Aves) 



c Synaptogenesis in embryonic brain and spmal cord. GaUus gallus (Aves) 



d Morphology of neuronal cell death in embryonic spinal cord. Same species as c 



OPPENHEIMER, Ms. J. M.; Ph.D., Prof. - Bryn Mawr CoU., BioL Bldg., BRYN MAWR, PA 19010, 

 USA 



a Regulation of behaviour with accessory brain parts. Fundulus heterocMtus (Teleostei) 



OPPENHEIMER, S. B.; Ph.D., Prof. - Dept. of BioL, CaUfomia State Univ., 18111 Nordhoff St., 

 NORTHRIDGE, CA 91330, USA 



a Molecular basis of intercellular adhesion in normal and malignant cells (adhesive factors, cell 

 surface sugars, plant lectins). (Echinoidea), Gallus domesticus (Aves), Mus musculus (Rodentia) 



b Role of cell surface carbohydrates in differentiation, ageing, malignancy and ceU interactions. 

 Same species as a 



O'RAHILLY, R.; M.D., Prof. - Carnegie Labs, of EmbryoL, Univ. of Calif., DAVIS, CA 95616, USA 



a Early development (stages 10 to 23). Homo sapiens (Primates) 



b Prenatal development of central nervous system. Same species as a 



O'RAND, M. G.: Ph.D. - Inst, for Molec. and Cell. EvoL, Univ. of Miami, 521 Anastasia Ave., CORAL 

 GABLES, PL 33134, USA 



a Membrane glycoproteins which are sperm-specific antigens; their role in fertilization. Oryctolagus 

 cuniculus (Lagomorpha) 



b Origin of sperm-specific membrane autoantigens during spermatogenesis. Same species as a 



c Transfer of sperm-specific membrane autoantigens from sperm to egg during fertilization. Same 

 species as a 



ORCE REMIS, A. M.; M.D. - Inst, de Biol., Univ. Nac. de Tucuman, Chacabuco 461, S.M. de TUCU- 

 MAN, Argentina 



a Sperm maturation: epididymal activity. Rattus norvegicus, Cavia porcellus (Rodentia) 



ORNOY, A.; M.D., Assoc. Prof. - Dept. of Anat. and Embryol., Hebrew Univ. - Hadassah Med. Sch., 

 P.O. Box 1172, JERUSALEM 91000, Israel 



a Spontaneous and induced abortions: congenital anomalies, chromosomal aberrations and placental 

 pathology (incl. ultrastructure). Homo sapiens (Primates) 



b Scanning and transmission electron microscopy of tlie initial stages of calcification and ossifica- 

 tion in normal fetuses and in congenital bone dysplasias. Same species as a 



c Significance of ultrastructural (TEM and SEM) studies in prenatal and postnatal detection of 

 inherited metabolic disorders. Same species as a 



d Incidence and type of congenital defects in a diabetic strain; effects of genetic versus metabolic 

 factors. Mus musculus, Rattus spec. (Rodentia) 



e Effects of tetracyclines, vitamin D, corticosteroids and thyroxin on formation and function 

 of matrix vesicles in cartilage and bone (scanning and transmission electron microscopy). Same 

 species as d 



ORSINI, Ms. M. W. G.; Ph.D., Prof. - Dept. of Anat., Bardeen Med. Labs., Univ. of Wisconsin, MADI- 

 SON, WI 53706, USA 



a Fetal membranes, giant cells, and pregnancy changes in uterine vessels. Mesocricetus auratus 

 (Rodentia) 



b Factors controlling implantation and loss of zona pellucida. Mesocricetus auratus, Rattus norve- 

 gicus, Mus musculus, Cavia porcellus (Rodentia), Mustela putorius, M. vison (Carnivora) 



c Deciduahzation during pregnancy and pseudopregnancy. Same species as b 



d Factors controUing life of corpora lutea. Same species as a 



e Immunological aspects of deciduahzation. Same species as a 



OSHIMA, K.; Assoc. Prof. - Dept. of Physiol., Primate Res. Inst., Kyoto Univ., INUYAMA, Aiclii, 

 484 Japan 



a Endocrine organs, particularly gonadal system during fetal development. Macaca fuscata (Prima- 

 tes) 



b Effect of uterine and oviductal contraction on fertilization and implantation. Same species as a 



c Maternal and fetal hormones during development. Same species as a 



d Ultrastructure of ovum development. Same species as a 



OSFRAND-ROSENBERG, Ms. S.; Ph.D. - Biol. Dept., Univ. of Maryland, CATONSVILLE,MD 21228, 

 USA 



a Maternal acceptance of the embryo as an allograft. Mus musculus (Rodentia) 



OVERMAN, D. O.; Ph.D., Assoc. Prof. - Dept. of Anat., Med. Ctr., West Virginia Univ., MORGAN- 

 TOWN, WV 26506, USA 



a Chondrogenesis and brain-face relationships during genesis of cleft palate; protection against cleft 

 palate. Mus musculus, Rattus norvegicus (Rodentia) 



b Ascorbate protection against induced skeletal malformations. Gallus domesticus (Aves), Rattus 

 norvegicus (Rodentia) 



c Teratogenesis of topically-appUed compounds. Mesocricetus auratus (Rodentia) 



OVERTON, Ms. J. H.; Ph.D., Prof. - Dept. of BioL, Div. of BioL ScL, Univ. of Chicago, 1101 E. 57th 

 St., CHICAGO, IL 60637, USA 



OZAKI, H.; Ph.D., Prof. - Dept. of ZooL, Michigan State Univ., EAST LANSING, MI 48824, USA 



a Appearance of the acetylchoUnesterase activity in post-gastrulation embryos; is it due to de novo 

 synthesis or precursor activation? Strongylocentrotus purpuratus (Echinoidea) 



69 



