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  • Title: Carbohydrate and protein histochemistry during oogenesis in Halobatrachus didactylus (Schneider, 1801) from the Bay of Cadiz (Spain).
    Author: Gonzalez de Canales ML, Blanco M, Sarasquete MC.
    Journal: Histochem J; 1992 Jun; 24(6):337-44. PubMed ID: 1634373.
    Abstract:
    Histological and histochemical characteristics were studied in Halobatrachus didactylus (Schneider, 1801) during oogenesis. Three phases could be differentiated: previtellogenesis (oogonia and basophilic oocytes), vitellogenesis (yolk synthesis) and maturation-spawning. Glycogen, glycoproteins and proteins rich in certain amino acids were present in the previtellogenic as well as in the vitellogenic cytoplasm oocytes. No acid mucosubstances were detected. Three types of yolk (vesicles, vacuoles and granules) contained different types of organic reserves; granules were essentially proteic whereas globules were lipidic. Carbohydrates and proteins were present in vesicles.
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