e Biosynthesis of soluble lens crystallins in early and late development (isoelectric focusing, auto- 

 radiography). Anas platyrhynchos (with S. K. BRAHMA) 

 f Isoelectric focusing of some enzymes during lens development. Gallus domesticus, Anas platy- 

 rhynchos (Aves) (with S. K. BRAHMA) ,,.„.„ „r, . t, * -, ^ u . , • 

 StASTNY, F.;M.D. - Inst, of Physiol., Charles Univ., Albertov 5, 128 00 PRAH A 2, Czechoslovakia 

 a Morphological, biochemical, and functional maturation of the embryonic choroid plexus. Gallus 



domesticus (Aves) 

 b Neurons, gUal cells and neuropil isolated from the embryonic cerebral hemispheres and trom the 



developing cerebral cortex. Same species as a, and Rattus norvegicus (Rodentia) 

 c Glucocorticoid regulation of water and electrolyte metabolism in the embryonic brain. Same 



species as a ^^ ^ , 



STEBBINGS, H .; Ph.D. - Dept. of Biol. Sci., Univ. of Exeter, EXETER EX4 4QG, England 

 STEELE, C. E.; PhD. - Dept. of Surg., Addenbrooke's Hosp., CAMBRIDGE, England 

 a Factors affecting embryonic development in vitro. Rattus spec. (Rodentia) 

 b In vitro models of allograft rejection. Sus scrofa domesticus (Artiodactyla) 

 STEFANELLI, A.; Dr., Prof.ord. - 1st. di Anat. Comp., Univ. di Roma, Via A.Borelli 50, 00161 



ROMA, Italy 

 a Morphology of new synapses in vitro. Gallus domesticus (Aves) 

 b Cerebellar and olfactory synaptic systems in vitro. Same species as a 



c Synaptic systems of Mauthner cells in vitro. Brachydanio rerio (Teleostei), Xenopus laevis (Anura) 

 d Retinal and acoustic synaptic systems (electron microscopy). Same species as a 

 STEGNER, H.-E.; Dr.med., Prof. - Univ.-Frauenklinik, Martinistr. 52, 2 HAMBURG 20, B.R.D. 



(Germany) . 



a Ultrastructure of ovarian interstitial cells, fetal ovaries, and oocytes; oocyte culture in vitro. Cavia 



porcellus, Mus musculus (Rodentia), Oryctolagus cuniculus (Lagomorpha), Homo sapiens 



(Primates) 

 STEINERT, Ms. G.; Lic.Chem. - Dept. of Molec. Biol., Free Univ. of Brussels, 67 rue des Chevaux, 



1640 RHODE-ST-GENtSE, Belgium 

 a Egg maturation (electron microscopy, cytochemistry). Xenopus laevis (Anura) 

 b Presence of lysosomal enzymes in yolk platelets of developing eggs. Same species as a 

 c Localization of mRNA and rRNA in oocytes and eggs by in situ hybridization. Same species as a, 



and Paracentrotus lividus, Arbacia spec. (Echinoidea) 

 STENMAN, S.; M.D. - Dept. of Pathol., Univ. of Helsinki, Haartmaninkatu 3, 00290 HELSINKI 29, 



Finland 

 a Cell surface antigen localisation in differentiation and malignancy of somatic ceUs 

 b Cytoskeleton in normal and malignant cells and in differentiated cells, (with I. VIRTANEN and 



P. LAURILA) 

 c Development of connective tissue components in foetal dermis, (with V. P. LEHTO and 



E. LINDER) 

 STEP ANOV A. S. - Bakh Inst, of Biochem., Acad, of Sci. of the USSR, Leninsky prosp. 33, MOSCOW 



117071, U.S.S.R. . ^ . ^ 



a Regularities of the oocyte maturation process. (Acipenseridae, Chondrostei; Amphibia) (with 



T. A. DETTLAFF and P. E. FELGENHAUER, Inst, of Devi. Biol.) 

 STfiPHAN, F.; D.Sc, Prof. - Lab. de Zool., Fac. des Sci., Univ. de Nancy I, CO. 140, 54037 NANCY 



Cedex, France 

 a Morphogenesis of the embryonic axis. GaUus gallus (Aves) 

 b Postembryonic development of the integument. Calliphora spec. (Diptera) 

 c Role of nervous system in pharynx induction. (Turbellaria) 

 STfiPHAN (DUBOIS), Ms. F.; D.Sc. - Lab. de Zool., Fac. des Sci., Univ. de Nancy I, CO. 140, 54037 



NANCY Cedex, France 

 a Migration and differentiation of regeneration cells. (Tricladida, Turbellaria; Microdrila, Oligo- 



StERBA, O. - Dept. of Morphol., Inst, of Vert. Zool., Czechosl. Acad, of Sci., Kvetna 8, 60365 



BRNO, Czechoslovakia 

 a Organogenesis in altricial (nidicolous) and precocial (nidifugous) species. (Insectivora; Rodentia; 



Camivora; Artiodactyla) 

 STERN, C D.; Ph.D. - Dept. of Anat. and Embryol., Univ. Coll. London, Gower St., LONDON 



WC1E6BT, England 

 a Cell movements, cell interactions and cell adhesion of early blastoderm cells in vitro. Gallus 



domesticus, CoturnLx c. japonica (Aves) (with R. BELLAIRS and G. W. IRELAND) 

 b Electrophysiology of the control of cell shape, cell division and cell movements in the early 



embryo. Same species as a (with L. F. JAFFE (USA) and L. TURIN) 

 c Experimental and theoretical studies of polarity and regeneration in early embryos. Same species 



as a 

 STEVEN D HM A., Vet. M.B. - Anat. School, Sub-Dept. of Vet. Anat., Univ. of Cambridge, Tennis 



Court Rd., CAMBRIDGE CB2 IQS, England 

 a Electron microscopy of placenta in relation to physiological exchange; control of parturition and 



maintenance of the fetal environment. Ovis aries (Artiodactyla), Equus caballus (Perissodactyla) 

 b Structure and function of binucleate cells in the placenta. Ovis aries (Artiodactyla) 

 STOCKER, R. F.; Ph.D. - Zool. Inst, der Univ. Fribourg, Perolles, 1700 FRIBOURG, Switzerland 

 STOLE, R.; D.Med., D.Sc, Prof. - Lab. d'Histol. et d'Embryol., Univ. de Bordeaux II, 146 rue Leo- 



Saignat, 33076 BORDEAUX Cedex, France 

 a Differentiation of the genital tract. Gallus gallus (Aves) 

 b Physiology of the embryonic thyroid. Same species as a 



106 



