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The spleen ofmustelus schmitti (chondrichthyes, triakidae): A light and electron microscopic study

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Abstract

The spleen ofMustelus schmitti is described, being an elongated organ running dorsally along the stomach and surrounded by a thin capsule without muscular tissue. The classical division between red and white pulps was evident, with a marginal sinus surrounding the latter. Numerous ellipsoids were located in the red pulp, inside nodular-like structures, or in the marginal sinus. Two types of reticular cells were apparent as well as macrophages and melanomacrophages. Hemopoiesis was present through immature and mature cells of the erythroid and thrombocytoid lineages, but no evidence of granulopoiesis was found. Comparison amongMustelus species and between chondrichthyan and mammalian spleens are made.

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Authors and Affiliations

  1. Departamento de Biología, Bioquímica y Farmacia, Cátedra de Histologia Animal, Universidad Nacional del Sur, San Juan 670, 8000, Bahia Blanca, Argentina

    Elena J. Galíndez

  2. Cátedra de Fisiologia Humana, Universidad Nacional del Sur, Departamento de Biologia, Bioquímica y Farmacia, San Juan 670, 8000, Bahía Blanca, Argentina

    Mario C. Aggio

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  1. Elena J. Galíndez
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  2. Mario C. Aggio
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Galíndez, E.J., Aggio, M.C. The spleen ofmustelus schmitti (chondrichthyes, triakidae): A light and electron microscopic study. Ichthyological Research 45, 179–186 (1998). https://doi.org/10.1007/BF02678560

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  • DOI: https://doi.org/10.1007/BF02678560

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