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We examine the paraphylectic hypothesis of bat origins, both in the light of previous discussions, and in the light of new evidence from our analyses of neurological traits and wing morphology. Megabats share with primates a variety of complex details in the organization of neural pathways that have not been found in any other mammalian group, particularly(More)
Studies of simian and prosimian primates have demonstrated a remarkable interspecific constancy in the pattern of innervation of the magnocellular and parvocellular layers of the dorsal lateral geniculate nucleus (dLGN) by retinal afferents. The characteristic organization of this nucleus in primates, as well as its apparent phylogenetic stability, have led(More)
Institutionen för teknik och naturvetenskap Linköping University Linköpings universitet g n i p ö k r r o N 4 7 1 0 6 n e d e w S , g n i p ö k r r o N 4 7 1 0 6-E S Copyright The publishers will keep this document online on the Internet-or its possible replacement-for a considerable time from the date of publication barring exceptional circumstances. The(More)
We have previously demonstrated that p(1),p(4)-diadenosine 5'-tetraphosphate (Ap(4)A) induces the release of nitric oxide (NO) and modulates the uptake of extracellular L-arginine (L-Arg) and L-citrulline (L-Cit) by bovine aortic endothelial cells (BAEC) [Hilderman, R.H. and Christensen, E.F. (1998) FEBS Lett. 427, 320-324 and Hilderman, R.H., Casey, T.E.(More)
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