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(telolecithal)
10 results
  • Early development of Betta splendens under stereomicroscopy and scanning electron microscopy. [Journal Article]
    Zygote 2015; 23(2):247-56Valentin FN, do Nascimento NF, … Nakaghi LS
  • Betta splendens is a very important ornamental species. The current paper describes the embryonic and larval development of B. splendens under stereomicroscopy and scanning electron microscopy. Eggs and larvae from natural spawning were collected at different developmental stages at previously established intervals and analysed. The eggs of B. splendens are yellowish, clear, spherical, demersal, …
  • Oogenesis and ovarian histology of the American alligator Alligator mississippiensis. [Journal Article]
    J Morphol 2000; 245(3):225-40Uribe MC, Guillette LJ
  • Although folliculogenesis and oogenesis have been observed in numerous reptiles, these phenomena have not been described in detail in a crocodilian. Oogenesis and histological features of the adult ovary of Alligator mississippiensis are described. Using a complex process, the ovary develops telolecithal oocytes that attain a diameter of 38.8 +/- 2.4 mm. The morphology of yolk platelets shows gra…
  • Organogenesis in Cephalopoda: further evidence of blastodisc-bound developmental information. [Journal Article]
    J Embryol Exp Morphol 1975; 33(1):75-83Marthy HJ
  • The basic mechanisms of organ differentiation in the Cephalopod embryo (telolecithal egg, discoidal cleavage) are studied. The results of ligation experiments, performed in early cleavage stages, confirm earlier conclusions of the author, drawn from transplantation/explantation and heat-shock experiments. The developmental information for cellular differentiation is shown to reside in the blastod…
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