Loading...
  • optic
  • The differentiation and thickening of the layers of the optic lobes in R. pipiens progress from cephalic to caudal poles (Kollros, '53). (docme.ru)
  • During the development of the mesencephalic V nucleus in R. pipiens, the cells alter their concentration from the cephalic portion of the optic tectum to the more caudal portion (Kollros and McMurray, '55). (docme.ru)
  • Application to the study of quantum fluctuation effects in optic nerve of Rana pipiens. (rupress.org)
  • Origins of serotonin-like immunoreactivity in the optic tectum of Rana pipiens. (uky.edu)
  • genetic
  • I conducted four studies in the northern leopard frog, Rana pipiens, to determine just how mutation, migration, genetic drift, and selection influenced, genetic structure of mitochondrial DNA (mtDNA), nuclear DNA, and a single locus polymorphism that determines dorsal coloration. (oregonstate.edu)
  • Those from the Housatonic drainage of western Connecticut have some of the distinctive genetic and morphological markers of the southern leopard frog, Rana sphenocephala utricularius. (ct.gov)
  • Smith
  • The inner thighs of L. palustris are bright yellow to orange in colouration (Figure 2), which differs from L. pipiens with white inner thighs (Schaaf and Smith, 1970). (wordpress.com)