Results 131 to 140 of about 704 (168)
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Reelin expression during embryonic brain development in Crocodylus niloticus
Journal of Comparative Neurology, 2003AbstractThe expression of reelin mRNA and protein was studied during embryonic brain development in the Nile crocodile Crocodylus niloticus, using in situ hybridization and immunohistochemistry. In the forebrain, reelin was highly expressed in the olfactory bulb, septal nuclei, and subpial neurons in the marginal zone of the cerebral cortex, dorsal ...
Tissir, Fadel Afathi +4 more
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Carcass and meat characteristics of the Nile crocodile (Crocodylus niloticus)
Journal of the Science of Food and Agriculture, 2000Seven Nile crocodiles (Crocodylus niloticus) of 1300 mm length were slaughtered in order to established baseline values for component yields and expected percentage of lean meats fat and bone for this species. The skin presents nearly 20% of the live weight of the Nile crocodiles while a dressing percentage of 56.5% was derived.
Hoffman LC, Fisher PP, Sales J
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Comparative Biochemistry and Physiology Part A: Physiology, 1988
1. Nile crocodiles, reared in fresh water and exposed acutely to seawater, suffer marked dehydration and hypernatraemia. Cloacal urine osmolarity and potassium concentration increased markedly but urine sodium remains low. 2. Hypernatraemia is increased when secretion from the lingual salt glands is prevented. 3. C.
L E, Taplin, J P, Loveridge
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1. Nile crocodiles, reared in fresh water and exposed acutely to seawater, suffer marked dehydration and hypernatraemia. Cloacal urine osmolarity and potassium concentration increased markedly but urine sodium remains low. 2. Hypernatraemia is increased when secretion from the lingual salt glands is prevented. 3. C.
L E, Taplin, J P, Loveridge
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A three-dimensional digital atlas of the Nile crocodile (Crocodylus niloticus) forebrain
Brain Structure and Function, 2020The phylogenetic position of crocodilians in relation to birds and mammals makes them an interesting animal model for investigating the evolution of the nervous system in amniote vertebrates. A few neuroanatomical atlases are available for reptiles, but with a growing interest in these animals within the comparative neurosciences, a need for these ...
Brendon K. Billings +6 more
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Nesting ecology of the Nile crocodile (Crocodylus niloticus)
African Journal of Ecology, 1989SUMMARYNesting ecology of the Nile crocodile(Crocodylus niloticus)was studied in a seasonal river in southeastern Zimbabwe from July 1983 to October 1985 (28 months). Ovarian follicle growth and vitellogenesis occurred from April to mid‐August. Courtship and mating occurred from late June to mid‐August, which was in the dry season when crocodiles were ...
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Courtship and mating of the Nile crocodile (Crocodylus niloticus)
Amphibia-Reptilia, 1991AbstractCourtship and mating of the Nile crocodile (Crocodylus niloticus) were studied in a seasonal river in Zimbabwe. Courtship and mating occurred from late June through mid August (the coldest months), which was in the dry season when crocodiles were confined to pools.
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Trichinella zimbabwensis in wild Nile crocodiles (Crocodylus niloticus) of South Africa
Veterinary Parasitology, 2009Recent discovery of Trichinella zimbabwensis in crocodiles from Zimbabwe, Lake Cahora Basa, Mozambique, and from lake Abaja, Ethiopia, prompted strict control measures to curb the possible spread of the infection to humans and also to prevent its introduction to other countries, which were considered free of this pathogen.
Louis J, La Grange +2 more
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Retinal projections in two crocodilian species, Caiman crocodilus and Crocodylus niloticus
Anatomy and Embryology, 1999The retinal projections of Caiman crocodilus and Crocodylus niloticus were investigated by means of the orthograde axonal transport of either rhodamine beta-isothiocyanate or tritiated proline. In these two species, each tracer revealed contralateral retinal projections to three hypothalamic regions (subventricular gray matter, nucleus ...
Y, Derobert +6 more
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Effect of yohimbine on the reproductive behavior of the male nile crocodile Crocodylus niloticus
Pharmacology Biochemistry and Behavior, 1992The effect of yohimbine, an alpha 2-adrenergic blocker, on the reproductive activity of 12-year-old male, captive Nile crocodiles was tested on 18 animals equally divided into 3 ponds. In each pond, there were 6 males and 30 females. In the first group, six of six males received yohimbine capsules of 30 mg, twice a day, for 1 week. In the second group,
B, Morpurgo, I, Rozenboim, B, Robinzon
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Presumptive FMRF-amide-like immunoreactive retinopetal fibres in Crocodylus niloticus
Brain Research, 2004A small contingent of 30-50 of centrifugal visual fibres, showing FMRF-amide-like immunoreactivity, has been identified in C. niloticus; these fibres extend from the chiasmatic region into the retina. They do not take the marginal optic tract, but pass medially to the chiasmatic fascicles, from the preoptic region.
Monique, Médina +3 more
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