نتایج جستجو برای: osteichthyes
تعداد نتایج: 778 فیلتر نتایج به سال:
Although a strong correlation between jaw mechanics and prey selection has been demonstrated in bony fishes (Osteichthyes), how jaw mechanics influence feeding performance in cartilaginous fishes (Chondrichthyes) remains unknown. Hence, tooth shape has been regarded as a primary predictor of feeding behavior in sharks. Here we apply Finite Element Analysis (FEA) to examine form and function in ...
Lipopolysaccharide O antigens (endotoxins) and other bacterial antigens readily attach to erythrocytes in vitro. This attachment is prevented by certain mammalian and avian sera. In this study, the inhibitory capacity of sera from lower animals was compared with that of higher animals for a total of 30 species. Antigens and the corresponding antisera included both crude O antigens and purified ...
The pituitary gland is unique to Chordates, with significant variation within this group, offering an excellent opportunity to increase insight into phylogenetic relationships within this phylum. The structure of the pituitary in adult Teleosts (class: Osteichthyes) is quite different from that in other chordates and is also variable among members of the class. Therefore, a complete description...
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