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Ontogeny of the endocrine cells of the stomach of sea bass (Dicentrarchus labrax L.): an ultrastructural study

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The endocrine cells present in the developing stomach of sea bass larvae have been characterized ultrastructurally. Only one endocrine cell type (type I) was found in the presumptive stomach of 9- and 12-day-old larvae, one (type II) and five (types III, IV, V, VI and VII) in the aglandular stomach of 32-, and of 39- to 46-day-old larvae, respectively, and five (types III, VIII, IX, X and XI) in the differentiated stomach of 55- and 60-day-old larvae. A maturation process was established for some of these cells. Types I, II and III and types IV and X were thought to be different maturational stages of the same endocrine cell type.

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García Hernández, M.P., Lozano, M.T. & Agulleiro, B. Ontogeny of the endocrine cells of the stomach of sea bass (Dicentrarchus labrax L.): an ultrastructural study. Anat Embryol 190, 507–514 (1994). https://doi.org/10.1007/BF00235499

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Key words

  • Endocrine cells
  • Gut
  • Ontogeny
  • Electron microscopy
  • Dicentrarchus labrax (Teleostei)