نتایج جستجو برای: hyrax
تعداد نتایج: 233 فیلتر نتایج به سال:
In order to find correlations between skin gland morphology and specific ethological features, the cutaneous glands of the foot pads of Procavia capensis were studied by histological and various histochemical methods and by electron microscopy. In the foot pads, abundant specific eccrine skin glands occur, which consist of coiled tubular secretory portions and coiled ducts. The wall of the secr...
Archaeologists relate increasing forager reliance on small animals and broad-spectrum resource use to environmental demographic changes in temperate regions during Marine Isotope Stage (MIS) 2, 29-14.7 thousand years ago (ka), MIS 1, after 14.7 ka. However, little research has examined the factors that influenced game hunting arid semi-arid tropics of eastern Africa this period. To address gap,...
Abstract Arid regions are especially vulnerable to climate change and land use. More than one-third of Earth's population relies on these ecosystems. Modern observations lack the temporal depth determine vegetation responses human activity, but paleoecological archaeological records can be used investigate relationships. Decreasing rainfall across Late Holocene provides a case study for respons...
Wildlife conservation is facing numerous and mounting challenges on private and communal lands in Africa, including in Kenya. We analyze the population dynamics of 44 common wildlife species in relation to rainfall variation in the Nakuru Wildlife Conservancy (NWC), located in the Nakuru-Naivasha region of Kenya, based on ground total counts carried out twice each year from March 1996 to May 20...
Glial cells (astrocytes and oligodendrocytes) play a fundamental role in many brain functions such as propagation of axon potential, integration of neuronal inputs, modulation of synaptic activity and synaptic strength, modulation of glucose metabolism and extracellular ion concentrations, as well as regulation of synaptogenesis and neurogenesis. Glial cell dysfunction is involved in many neuro...
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