
Figure 2. - Début de prévitellogenèse (LF = 29 cm). A: Travée d'ovocytes le long des lamelles ovariennes; B: Ovogonies, ovocytes primordiaux Ia et Ib. [Beginning of previtellogenesis (LF = 29 cm). A: Oocyte row along ovarian lamella; B: Ovogonies, primordial oocytes Ia and Ib.] Figure 3. - Prévitellogenèse (LF = 37 cm). A: Ovocytes secondaires (IIa) avec hétérogénéité cytoplasmique; B: Ovocyte secondaire (IIb) avec apparition des premières inclusions glucidiques. [Previtellogenesis (LF = 37 cm). A: Secondary oocytes (IIa) with cytoplasmic heterogeneity; B: Secondary oocytes (IIb) with appearance of first carbohydrate inclusion.] Figure 4. - Début de vitellogenèse (LF = 43 cm). A: Ovocyte secondaire en début de vitellogenèse: apparition des granules vitellins et de vésicules glucidiques; B: Ovocyte secondaire (IIc) en vitellogenèse plus avancée: le vitellus envahit tout le cytoplasme. [Beginning of vitellogenesis (LF = 43 cm). A: Secondary oocyte vitellogenesis beginning: appearance of vitellin granules and carbohydrate vesicle; B: Secondary oocyte (IIc) progress vitellogenesis: vitellus overruns all the cytoplasm.] Figure 5. - Vitellogenèse (LF = 53 cm). A: Ovocyte tertiaire (III) en vitellogenèse avancée: noyau encore central, disparition de la membrane nucléaire; B: Ovocyte (III) en vitellogenèse plus avancée: noyau plus diffus, accumulation de vésicules vitellines et globules lipidiques autour du noyau, zona granulosa et zona radiata bien distinctes. [Vitellogenesis (LF = 53 cm). A: Oocyte tertiary (III) in advanced vitellogenesis: nucleus yet central, disappearance of the nuclear membrane; B: Oocyte (III) in more advanced vitellogenesis: nucleus more diffuse, accumulation of vitelline vesicles and lipid globules around the nucleus, zona granulosa and zona radiata distinct.]
Published as part of Besbes Benseddik, Amina, Besbes, Raouf, Najaï, S.E., Jarboui, Othman & M'Rabet, Ridha, 2015, Cycle reproductif et gamétogenèse de la dorade coryphène Coryphaena hippurus (Coryphaenidae) des eaux tunisiennes, pp. 47-58 in Cybium 39 (1) on page 50, DOI: 10.26028/cybium/2015-391-006, http://zenodo.org/record/13615738
Biodiversity, Taxonomy
Biodiversity, Taxonomy
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