Spermatogenesis and Sperm Ultrastructure of the Marsh Clam (Corbicula japonica) (Bivalvia: Veneridae)
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چکیده
منابع مشابه
Structure of new carotenoids from corbicula clam Corbicula japonica.
Six new carotenoids, named corbiculaxanthin (1), corbiculaxanthin 3'-acetate (2), 6-epiheteroxanthin (3), 7',8'-didehydrodeepoxyneoxanthin (4), cyclopyrrhoxanthin (5), and hydratoperidinin (6), were isolated from the corbicula clam (Shijimi in Japanese), Corbicula japonica. Their structures were determined by chemical and spectral data.
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mental Contamination and Toxicology 40, 531–536. Plotkin, P., 2003. Adult migrations and habitat use. In: Lutz, P.L., Musick, J.A., Wyneken, J. (Eds.), The Biology of Sea Turtles, vol. 2. CRC Press, Boca Raton, FL, pp. 225–242. Saeki, K., Sakakibara, H., Sakai, H., Kunito, T., Tanabe, S., 2000. Arsenic accumulation in three species of sea turtles. BioMetals 13, 241–250. Sakai, H., Saeki, K., Ic...
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The marine clam, Tivela mactroides, from Caño Sagua beach, Venezuela, was spawned and reared under laboratory conditions to monitor its early development. Spawning was spontaneous but in some cases it had to be induced by the additon of eggs and sperm. After fertilization, the embryonic development occurred at 5 hr approximately. Trochophore larvae were observed between eight and ten hours late...
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Manila clams, Ruditapes philippinarum, removed from their natural environment and maintained for 9 weeks in continuously immersed conditions exhibited a clear endogenous circatidal rhythm in oxygen consumption. The clams exhibited a semidiurnal rhythmicity in oxygen consumption after showing a diurnal pattern in the ®rst few days (5 to 7 d) of the experiment. The results of the present study in...
متن کاملSperm ultrastructure and spermatogenesis in the lizard, Tropidurus itambere.
Spermatogenesis, with emphasis on spermiogenesis, is described for the lizard, Tropidurus itambere, using light microscopy, phase contrast and epifluorescence, as well as scanning and transmission electron microscopy. Cellular differentiation involves events of chromatin condensation, nuclear elongation and the formation of structural complexes, such as the acrosomal and axonemal ones. Other ne...
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ژورنال
عنوان ژورنال: Korean Journal of Fisheries and Aquatic Sciences
سال: 2004
ISSN: 0374-8111
DOI: 10.5657/kfas.2004.37.4.281