Results 201 to 210 of about 3,318 (230)
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2014
Published as part of Laan, Richard Van Der, Eschmeyer, William N. & Fricke, Ronald, 2014, Family-group names of Recent fishes, pp.
Laan, Richard Van Der +2 more
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Published as part of Laan, Richard Van Der, Eschmeyer, William N. & Fricke, Ronald, 2014, Family-group names of Recent fishes, pp.
Laan, Richard Van Der +2 more
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Sturgeons (Pisces: Acipenseridae); threats and prospects
Journal of Fish Biology, 1990Life histories of 24 species of sturgeons are briefly summarized and threats to their existence are reviewed. The most important of these are fishing and physical disturbance of rivers (barriers; fluctuating water levels; gravel extraction). Conservation measures to limit and compensate for these impacts are reviewed.
Rochard, Eric +2 more
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The Hypothalamo-Hypophyseal System in Acipenseridae
General and Comparative Endocrinology, 1997Abstract The regeneration of the hypothalamo–hypophyseal system (HHS) has been studied in the sterlet following hypophysectomy (HypoX). Significant portions of non-apeptide and corticoliberinergic (CRH) neurosecretory cells (NSCs) underwent degeneration.
Andrey L Polenov +2 more
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Lymphoid organs in sturgeons (Acipenseridae)
Veterinary Immunology and Immunopathology, 1986Lymphoid (lymphomyeloid) tissues in sturgeons (hybrid sturgeon, Huso huso X Acipenser ruthenus, and white Pacific sturgeon, A. transmontanus) were investigated by dissection, histology and transmission electron microscopy. The main lymphomyeloid tissues are the thymus, the spleen, the anterior part of the kidney, the meningeal myeloid tissue, the ...
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Genska raznolikost porodice Acipenseridae u Hrvatskoj
2022With the family Polyodontidae, Acipenseridae are the only living members of the order Acipenseriformes. They are amongst the most primitive bony fish and are also the last surviving members of the almost extinct superorder of Actinopterygii - Chondrostei.
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The hypothalamo-hypophysial system in Acipenseridae
Cell and Tissue Research, 1976The proximal neurosecretory contact region (PCR) of Acipenseridae, a homologue of the tetrapod median eminence, has been studied by light, fluorescence and electron microscopy. It occupies the rostral and chiefly the ventral surfaces of the hypothalamic tuber cinereum.
A L, Polenov +3 more
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Complete mitochondrial genome ofAcipenser schrenckii(Acipenseriformes, Acipenseridae)
Mitochondrial DNA, 2013Abstract The complete nucleotide sequence of Acipenser schrenckii mtDNA is 16,592 bp long (Accession No. KC820796). The total mitochondrial genome is consisted of 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes and 1 control region. The gene organization and arrangement is identical to typical vertebrates.
Xiao-Li, Dong +3 more
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Toward a Phylogenetic Taxonomy of Sturgeons (Acipenseriformes: Acipenseridae)
Bulletin of the Peabody Museum of Natural HistoryAcipenseriformes, comprising sturgeons and paddlefishes, is one of the three ancient and species-poor living lineages of non-teleost Actinopterygii. Here, we use DNA sequence and morphological data to investigate the phylogenetic relationships of sturgeons and produce a phylogenetic basis for the taxonomy of Acipenseridae.
Brownstein, Chase D., Near, Thomas J.
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Evolution of the nucleolar apparatus during oogenesis in Acipenseridae
Development, 1976ABSTRACTEvolution of the nucleoli has been followed during oogenesis in the Acipenserid fishes, Acipenser ruthenus (the sterlet) and A. güldenstädti (the sturgeon) using light and electron microscopes. In the ovaries of adults, the oogonial nuclei usually have a single nucleolus with an adjacent mass of paranucleolar fibrillar material.
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