RASCH, Ms. E. M.; Ph.D., Prof. - Lab. of Cell. Biophys., Coll. of Med., East Tennessee State Univ., 



Box 23320A, JOHNSON CITY, TN 37601, USA 

 RASWEILER, J. J., IV; Ph.D. - Dept. of Anat., Cornell Univ. Med. Coll., 1300 York Ave., NEW 



YORK, NY 10021, USA 

 a Compurativc morphology of the early embryo and associated changes in the female reproductive 



tract, through tlic time of ovum implantation (light, transmission and scanning electron 



microscopy). Glossophaga soricina, Noctilio albiventris, Carollia perspicillata, Desmodus 



rotundus, Peropteryx kappleri (Chiroptera) 

 b Maintenance and brccdint: in the laboratory. (Chiroptera) 

 RAWDON, B. B.; Ph.D. - Dept. of Anat., Med. School, Univ. of the Witwatersrand, Hospital St., 



JOHANNESBURG 2001, S. Africa 

 a Origin of the endocrine cells of the gastro-intestinal tract; morpliology of the types of these cells 



present at the time of hatching; their distribution (immunochemistry). Chicken ( with A. 



ANDRl Wand B. KRAMl R) 

 RAY, A. K.; Dr. - Zool. Dept., State Coll., DARJEELING 734101 , India 

 RAZON-PINE, Ms. P.; B.Sc. - Dept. of Cell Biol., Roche Inst, of Molec. Biol., NUTLEY, NJ 07110, 



USA 

 a Effects of antimetaboUtes on early embryogenesis. Mouse 

 b Analysis of t-mutant embryos. Mouse 



READY, D. F. - Dept. of Biol., Princeton Univ., PRINCETON, NJ 08544, USA 

 a Specificity of initiation of synaptic connections in vitro. Hirudo medicinalis (Hirudinea) 

 REAMS, W. M., Jr.; Ph.D., Prof. - Dept. of Biol., Univ. of Richmond, RICHMOND, VA 23173, USA 

 a l-ffects of tissue environment on pigment cell morphogenesis. Chicken, Mouse 

 b Factors affecting pigment behaviour in the skin. Chicken, Mouse 

 c The Langerhans cell: origin and differentiation. Mouse 

 REDMAN, R. S.; D.D.S., Ph.D. - Dent. Serv. (160), Vets. Adm. Med. Ctr., 50 Irving St., N.W., 



WASHINGTON, DC 20422, USA 



also: Dept. of Oral Pathol., Coll. of Dent., Howard Univ., WASHINGTON, DC, USA 

 a Parotid gland: ductal and myoepithelial differentiation (LM, EM); cell types involved in 



proliteration (1-M, radioautograpiiy); effects of dietary and hormonal changes on developmental 



pace (biochemical assay of exocrine enzymes, protein and hormones, LM, EM) and on dental 



caries. Rat 

 b Minor salivary glands: initiation, ductal development, and acinar or alveolar differentiation 



(LM, EM, histochemistry). Rat 

 c Sublingual gland: prenatal development of ducts, acini and myoepithelium; perinatal maturation 



of these elements (LM, EM, histochemistry of specimens from both in vitro and in vivo 



situations). Rat 

 REEDER, R. H.; Ph.D. - Hutchinson Cane. Res. Ctr., 1124 Columbia St., SEATTLE, WA 98104, 



USA 

 a Isolation of amplified nucleoli from oocytes and characterization of the chromatin structure 



of transcriptionally active ribosomal genes. Xenopus laevis (Anura) 

 b Molecular cloning of ribosomal genes; their structure and in vitro transcription. Xenopus laevis, 



X. borealis (Anura) 

 Rll S, Ms. S.; Ph.D. - Dept. of Physiol., Monash Univ.. Wellington Rd., CLAYTON, Vict. 3168, 



Australia 

 a Experimental neuropathology of degeneration and regeneration in cortex and peripheral nerve. 



Rat 

 REEVES, O. R.; Ph.D. - Dept. of Zool., Washington State Univ., PULLMAN, WA 99164, USA 

 a Structure and function of globin genes during in vitro differentiation of Friend erythroleukemia 



cells. Mouse 

 b Nucleosome histone modifications during changes in gene activity 

 c Histone acetylation as related to gene transcriptional activity 

 d Histone aeetyltransferase and deacetylase 

 RINI Ri:i;, Ms. M. B.; Ph.D. - Environm. and Life Sciences, Murdoch Univ., MURDOCH, WA 6155, 



Australia 

 a Developmental morphology. Macropus eugenii (MarsupiaUa) 

 b Developmental biochemistry of embryo and fetal fluids. (Marsupialia) 

 c Control of delayed implantation including embryo metabolism and steroidogenesis in the 



blastoc\st and placenta. Macropus eugenii, M. irma, Setonix brachyurus (Marsupialia) 

 RINNERT, O. M.; M.D., Prof. - Dept. of Pediat., Mol. Biol., and Biochem. and Med., Health Sci. 



Ctr., Univ. of Oklahoma, P.O.Box 26901 , OKLAHOMA-City, OK 73190, USA 

 a Modification of isoaccepting species of transfer RNA isolated from embryos and adult hver and 



spleen (amino acyl-tRNA reaction, reverse phase chromatograph> ). Mouse, Rat 

 b Isoleucyl-tRNA formation as a controlling factor in the "turning-off of fetal hemoglobin" 



production. (Rodentia) 

 c Identification of species of isopentenyl-tRNA's during embryonic development. Mouse, Rat 

 d Poly amines and their relationship to cellular proliferation. (Mammalia) 

 c Significance of copper, zinc and manganese in embryo, fetus and neonate; characterization of 



peptide-metal transport carriers. (Mammalia) 

 RENWICK, A. G. C; M.D., Ph.D., Prof. - Dept. of Biochem., Univ. of Auckland, Private Bag, 



AUCKLAND, New Zealand 

 a Biosynthesis of estrogens by the placenta. Man 

 b Biosynthesis and degradation of hormonal peptides, factors that modify synthesis and release. 



(Rodentia) 



71 



