Envíos recientes

  • Dermatoglifos en dos poblaciones indígenas Guaymí de Costa Rica 

    Quesada, Misael; Barrantes-Mesén, Ramiro (Revista de Biología Tropical 31(2) p.268-257, 1983-04-27)
    Twenty-three palmar and digital dermatogliphic characters were examined in two Guaymi Amerindian populations, Abrojo and Limoncito, in southeastern Costa Rica. Derrnatogliphs were analyzed in relation to sex, bilaterality ...
  • Análisis ultraestructural de membranas de glóbulos grasos lácteos de calostro y leche humana 

    Akahori, Hiroshi; Hernández-Chavarría, Francisco (Revista de Biología Tropical 31(2):245-250, 1983)
    Lacteous fat globules with their membranes from human milk and calostrum were studied by scanning and transmission electron microscopy. The first appear as spheroidal structures with some irregularities on the surface. ...