نتایج جستجو برای: malacostraca
تعداد نتایج: 220 فیلتر نتایج به سال:
The midgut in the freshwater shrimp Neocaridina davidi (previously named N. heteropoda) (Crustacea, Malacostraca) is composed of a tube-shaped intestine and a large hepatopancreas that is formed by numerous blind-ended tubules. The precise structure and ultrastructure of these regions were presented in our previous papers, while here we focused on the ultrastructural changes that occurred in th...
Las aves limícolas se destacan por sus largas migraciones y su dependencia de una amplia variedad humedales anualmente. Su distribución en los hábitats forrajeo está relacionada con la disponibilidad presas. En este trabajo caracterizó dieta tres especies del género Calidris, C. minutilla, pusilla mauri Río Máximo (RM) Tunas Zaza (TZ) es estudió relación La mediante análisis contenido estomacal...
Crustaceans have to cyclically replace their rigid exoskeleton in order to grow. Most of them harden this skeleton by a calcification process. Some decapods (land crabs, lobsters and crayfish) elaborate calcium storage structures as a reservoir of calcium ions in their stomach wall, as so-called gastroliths. For a better understanding of the cyclic elaboration of these calcium deposits, we stud...
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