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Revista de Biología Tropical
On-line version ISSN 0034-7744Print version ISSN 0034-7744
Abstract
AVILA BOTELLO, Mireya; INSUASTY LEON, Ivette and GUEVARA ROZO, Edilma. Organogénesis del sistema digestivo del pez Pterophylum scalare (Perciformes: Cichlidae). Rev. biol. trop [online]. 2008, vol.56, n.4, pp.1857-1870. ISSN 0034-7744.
Organogenesis of the digestive system of the fish Pterophylum scalare (Perciformes: Cichlidae). There is little knowledge on the development of the angelfish Pterophyllum scalare (Liechtenstein 1823), a species of economical and biological value for inland water ecosystems. We recorded net development time of each organogenetic stage, cumulative time and characteristic structure differentiation for each stage. We found eight organogenetic stages for the digestive system, between the gastrula and the total re-adsorption of the vitelin sack. The total time for the organogenetic development of the digestive system was 119 hours and 44 minutes. Rev. Biol. Trop. 56 (4): 1857-1870. Epub 2008 December 12.
Keywords : organogenesis; stages; digestive system; embrionary development; cellular differentiation; fish.