Polypterus senegalus

The occurrence of pigment cells in the heart is well documented in amphibians, birds and mammals. By contrast, information on… (More)

Anatomical and functional studies of the autonomic innervation and the putative oxygen receptors-the neuroepithelial (NEC)-like… (More)

Seventeen species and sub-species of fishes belonging to four families (Cyprinidae, Clariidae, Aplocheilidae, Cichlidae) were… (More)

Diplogyrodactylus martini n. g. et sp., a viviparous monogenean, is described from the gills of gray bichir Polypterus senegalus… (More)

Polypteridae (Cladistia) is a family of archaic fishes, confined to African freshwaters. On account of their primitiveness in… (More)

The formation sequence of the tooth-bearing bones and the tooth pattern in early ontogeny of Polypterus senegalus is investigated… (More)

Tooth types, their arrangement and the mode of tooth replacement were studied in juvenile and adult specimens of Polypterus… (More)

Many osteichthyan fishes obtain oxygen from both air, using a lung, and water, using gills. Although it is commonly thought that… (More)

The telencephalon in ray-finned fish (actinopterygians) is everted, in contrast to the evaginated telencephalic hemispheres in… (More)

The organogenesis of the membranous labyrinth of Polypterus senegalus is described. 1. The otocyst seems to be formed by the… (More)