PANT (AIYAR), Ms. R.; Ph.D. - Dept. of Biochem., Fac. of Sci., Allahabad Univ., ALLAHABAD 



211002, India 

 PAPACONSTANTINOU, J.; Ph.D. - Univ. of Te.xas, GALVESTON, TX 77550, USA 

 PAPPANO, A. J.; Ph.D. - Dept. of Pharmacol., Health Ctr., Univ. of Connecticut, FARMINGTON, 



CT 06032, USA 

 a .Moiphulogical development of autonomic heart innervation (fluorescent histochemical method 



of [''alck for identification of adrenergic nerves); ultrastructure of cholinergic and adrenergic 



innervation of the sinoatrial pacemaker (transmission electron microscopy); functional 



development of autonomic neuroeffector transmission (electrophysiologic and pharmacologic 



methods). Chicken 

 b Change in ion current responsible for excitation in the embryonic heart electrophysiology 



(inhibitors of ion current flow). Chicken 

 PARIVAR, K.; Ph.D. - Biol. Dept., Sch. of Sci., Ferdowsi Univ., MASHHAD, Iran 

 PARK, K. L.; D.Agr. - Dept. of Sericult., Coll. of Agric, Seoul Natl. Univ., SUWLON, South Korea 

 PARSHAD (CHALANA), Ms. R. K.; Ph.D. - Dept. of Zool.. Punjab Agric. Univ., LUDHIANA, 



Punjab, India 

 a Histophysiology and biochemistry of gonads. (Aves) (with H. R. DANG and S. S. GURAYA) 

 PARSHAD, V. R.; Dr. - Dept. of Zool., Punjab Agric. Univ., LUDHIANA, Punjab, India 

 a Morphology, histochemistry and biochemistry of oocyte growth and embryology. 



(Acanthocephala) (with S. S. GURAYA) 

 b Morphology, histochemistry, biochemistry and physiology of gametogenesis and early 



embryology. (Platyhelminthes) (with S. S. GURAYA) 

 c Morphology, histochemistry, biochemistry and physiology of gametogenesis, fertilisation, egg- 

 shell formation and embryology. Ascaridia gaili (Nematoda) (with S. S. GURAYA) 

 d Morphology, histochemistry, and physiology of gametogenesis, fertilisation and egg-sliell forma- 

 tion; eonad development in proglottids. Raillietina cesticillus (Cestoda) (with S. S. GURAYA) 

 PAYNTON, Ms. B. V.; B.Sc. - Dept. of Anat., Jefferson Med. Coll., 1020 Locust St., 



PHILADELPHU, PA 19107, USA 

 PEARCE, Th. L.; Ph.D. - Dept. of Biol., John Carroll Univ., University Heights,CLEVELAND, OH 



44118, USA 

 PELHAM, H. R. B.; Ph.D. - Dept. of Embryol., Carnegie Inst, of Washington, 115 W. University 



Pkw., BALTIMORE, MD 21210, USA 

 a Control of 5sRNA synthesis during oogenesis, using cloned 5s genes and cell-free transcription 



systems. Xenopus laevis, X. boreahs (Anura) 

 PFNER, M. P., Ph.D., Prof. - Dept. of Zool., Hebrew Univ., JERUSALEM, Israel 

 a Hormonal effects on oocyte development and egg-laying. Various spp. (Acrididae, Orthoptera) 

 b Effects and mode of action of "anti-allatins" on metamorphosis and reproduction. Locusta 



migratoria, Schistocerca gregaria (Orthoptera) 

 c Effect of photoperiod and temperature on reproduction. Oedipoda miniata (Orthoptera) 

 PERKINS, D. L.; Ph.D. - Dept. of Zool., Univ. of Oklahoma, 730 Van Vliet Oval, NORMAN, OK 



73019, USA 

 a Effects of ionic ratios and osmotic concentrations on ameba-to-flagellate transformation. Naegleria 



gruberi (Rhizopoda) 

 PERSAUD, T. V. N.; M.D., Ph.D., Prof. - Teratol. Res. Lab., Dept. of Anat., Univ. of Manitoba, Basic 



Med. Sci. Bldg., 730 William Ave., WINNIPEG, Man. R3E 0W3, Canada 

 a Teratological studies with prostaglandins; involvement of prostaglandins in developmental 



processes. Chicken, Mouse, Rat, Rabbit 

 b Use of the embryo in vitro for embryological and teratological studies. Mouse, Rat 

 c Drug interactions during pregnancy: maternal and fetal toxicity. Mouse, Rat 

 d Placental transfer and disposition of teratogenic drugs. Mouse, Rat 

 e Reproductive aspects of interaction of prostaglandins and vitamin E. Rat, Rabbit 

 PETERS, A.; Ph.D., Prof. - Dept. of Anat., Boston Univ., 80 E. Concord St., BOSTON, MA 02118, 



USA 

 a Electron microscopy of the formation of myelin sheaths and development of neuroglial cells 



in the central nervous system. Rat 

 b Electron microscopy of the cerebral cortex. Rat 

 c Postnatal development of neurons in cerebral cortex. Rat 

 PETERSON, R. C; Ph.D. - Dept. of Embryol., Carnegie Inst, of Washington, 115 W. University 



Parkway, BALTIMORE, MD 21210, USA 

 a Proteins and other factors which allow specific expression of either the oocyte or somatic genes 



for 5S RNA. Xenopus laevis (Anura) 

 PETERSON, R. L.; Ph.D., Assoc. Prof. - Dept. of Bot. and Genet., Univ. of Guclph, GUELPH, Ont. 



NIG 2W1, Canada 

 PEUSNER, Ms. K. D.; Ph.D. - Dept. of Anat., Jefferson Med. Coll., 1020 Locust St., PHILADEL- 

 PHIA, PA 19107, USA 

 a Ultrastructural changes preceding and during synaptic development of the axosomatic "spoon 



endings" in the tangential nucleus, a part of the lateral vestibular complex. Chicken 

 PFOHL, R. J.; Ph.D. - Dept. of Zool., Miami Univ., OXFORD, OH 45056, USA 

 a Mechanisms controlling appearance and activity in the embryo of alkaline phosphatase. Arbacia 



spp., Lytechinus spp., Strongylocentrotus spp. (Echinoidea) 

 PHILLIPS. D. M.: Ph.D. Biomed. Div., The Popul. Council, Rockefeller Univ., York Ave. and 



66th St., NEW YORK, NY 10021 , USA 

 PHILLIPS, H. M.; Ph.D. - Dept. of Anat., Wayne State Univ., 540 E. Canfield, DETROIT, MI 48201 , 



USA 



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