and electron microscopy, histochemistry). Gallus domesticus, Coturnix c. japonica (Aves) 

 b Embryotoxic effect of parathion on biogenic amines (catecholamines) and glycogen (histo- 

 chemistry, electron microscopy) Gallus domesticus (Aves) 

 c Biochemistry of cholinesterases during induction and prevention of axial teratogenesis. (Aves) 

 MEISTER, Ms. G.; Dr. - Zool. Inst, der Westf. Wilhelms Univ., Hufferstr. 1, 4400 MONSTER, B.R.D. 



(Germany) 

 a Ultrastructure of embryonic blood cells (vacuolized round cells). Loligo vulgaris (Cephalopoda) 

 b Scanning electron microscopy on the radula of late embryo and newly hatched larvae. Loligo 



vulgaris, Sepia officinalis, Eledone cirrosa (Cephalopoda) 

 MELEHOVA, Ms. O. P.; Cand.sci. - Chair of Embryol., Biol. Fac, State Univ. of Moscow, Lenin 



Hills, MOSCOW 1 17234, U.S.S.R. 

 a Processes involving free radicals in normal and pathological development. Rana temporaria, 



R. esculenta (Anura) and other Vertebrata 

 MELLER, K.; Dr.med., Prof. - Inst, fiir Anat.I, Arb.gr. fiir Exp. Cytol., Ruhr-Univ., Universitatsstr. 



150, MA 5/46, Postfach 102148, 463 BOCHUM, B.R.D. (Germany) 

 a Development of retina and central nervous system, especially cerebral cortex and cerebellum 



(electron microscopy, autoradiography, tissue culture). Gallus domesticus (Aves), Mus musculus 



(Rodentia) 

 b Protein synthesis of differentiating nerve cells (autoradiography). Gallus domesticus (Aves) 

 c Cell aggregation, cell differentiation, and synaptogenesis in the central nervous system (tissue 



culture, transmission and scanning electron microscopy, freeze-etching, autoradiography). Same 



species as a 

 MENKES, B.; Dr.med., Prof. - Lab. of Embryol., Ctr. of Hyg. and Publ. Health, Bv. Mihai Viteazul 



24, 2900 TIMI^OARA, Rumania 



also: Dept. of Med. Biol., Med. BioL, Med. School, P-fa 23 August 1, 1900 TIMI^OARA, 



Rumania 

 a The role of normal and experimentally induced necrosis in teratogenesis 

 b Cinematographical studies on growth and differentiation processes of the embryonic axial organs. 



Gallus domesticus (Aves) 

 c The influence of exogenous factors on embryonic development; prenatal pathology. Same species 



as b 

 d Organogenesis in the embryo. Homo sapiens (Primates) 

 e Development of cerebral vesicles. Same species as b 

 MERCIER (PAROT), Ms. L.; Dr.Sci. - Lab. d'Embryol., U.E.R. Biomed., 45 rue des Sts.Peres, 75270 



PARIS Cedex 06, France 

 a Teratogenese par sulfamides hypoglycemiants, antimetabolites. Rattus spec. (Rodentia) (avec 



H. TUCHMANN-DUPLESSIS) 

 b Influence de la cortisone sur la gestation et le developpement foetal. Meme espece comme a 

 c Influence des alcaloides du Rauwolfia, de la reserpine et de la deserpidine sur le developpement. 



Meme espece comme a (avec H. TUCHMANN-DUPLESSIS) 

 d Influence des neuroleptiques sur les malformations congenitales. Rattus spec, Mus spec. 



(Rodentia), Oryctolagus cuniculus (Lagomorpha) 

 e Diabete experimental et grossesse. (Mammalia) 

 f Influence des antimitotiques, des anticonvulsants et de la prostaglandine F2a sur la gestation. 



Meme espece comme d (avec H. TUCHMANN-DUPLESSIS) 

 g Mecanismes d'action de substances embryotoxiques (transfert d'oeufs). (Rodentia) (avec 



C. ROUSSEL) 

 MERKER, H.-J.; Dr.med., Prof. - Anat. Inst, der Freien Univ. Berlin, Kon.-Luise-Str. 15, 1 BERLIN 



33, B.R.D. (Germany) 

 MERKLE, U.; Dr.med., Prof. - Anat. Inst, der Univ. Erlangen-Niirnberg, Krankenhausstr. 91, 8520 



ERLANGEN, B.R.D. (Germany) 

 a Spermatogenese und Sertoli-Zellen. Rattus spec. (Rodentia) 

 MESHCHERYAKOV, V. N.; Cand.sci. - Chah of Embryol., Biol. Fac, State Univ. of Moscow, Lenin 



HiUs, MOSCOW 117234, U.S.S.R. 

 a Spatial organization of spiral cleavage: symmetry; nature of cell contacts; spindle-cortex inter- 

 actions. Lymnaea stagnalis, Physa spp., Aplexa hypnorum. Radix peregra (Gastropoda) 

 b Shell morphogenesis: correlation with cleavage asymmetry. Lymnaea stagnalis, Physa acuta 



(Gastropoda) 

 c Long-term culture of embryos with viteUine membranes removed. Lymnaea stagnalis (Gastro- 

 poda) 

 d Glycerinated models of eggs. Same species as c 

 MESSAGE, M. A.; Ph.D. - Anat. School, Univ. of Cambridge, Downing St., CAMBRIDGE CB2 3DY, 



England 

 a Development of muscle, primarily with histochemical techniques. Xenopus laevis (Anura), Mus 



musculus, Rattus norvegicus (Rodentia) 

 b Development of tissue culture techniques for study of myogenesis. 

 c Computer simulation of organogenesis with particular reference to limbs 

 MESTRE, J.-C; Prof. - Lab. de Biol. CeU., Univ. Paris-Sud, 22 rue J. B. Clement, 92290 CHATENAY- 



MALABRY, France 

 a Morphology and physiology of embryoids originating from callus. (Angiospermae) 

 b Physiological and morphological relations of the embryo with its surroundings during develop- 

 ment in situ. (Angiospermae) 

 MESTRES, P.; Dr.med. - Lehrst. fur Anat. I, Ruhr-Univ., Universitatsstr. 150, Postfach 102148, 4630 



BOCHUM 1, B.R.D. (Germany) 



71 



