نتایج جستجو برای: neun
تعداد نتایج: 870 فیلتر نتایج به سال:
Der Artikel bietet einen Überblick über verschiedene Masterstudiengänge in Deutschland im Bereich Bibliotheks- und Informationsmanagement. Dazu werden die insgesamt neun Form von Steckbriefen vorgestellt anschließend ein Vergleich zwischen diesen gezogen, um herauszufinden worin sich Studiengänge unterscheiden. soll ermöglichen zu informieren eigene Interessenrichtungen verfolgen.
The hypothalamus of the adult ring dove contains acoustic units that respond to species-specific coo vocalization. Loss of nest coo leads to unsuccessful breeding. However, the recovery of nest coo in some doves suggests that these units are capable of self-renewal. We have previously shown that lesioning the hypothalamus generates the addition of new neurons at the lesioned area. In this study...
OBJECTIVE The effects on neural proliferation and differentiation of neural stem cells (NSC) of basic fibroblast growth factor-2 (bFGF), insulin growth factor-I (IGF-I), brain-derived neurotrophic factor (BDNF), and nerve growth factor (NGF) were assessed. Also, following combinations of various factors were investigated : bFGF+IGF-I, bFGF+BDNF, bFGF+NGF, IGF-I+BDNF, IGF-I+NGF, and BDNF+NGF. ...
In epilepsy patients with cortical dysplasia (CD), this study determined the probable ontogenetic timing of pathogenesis based on the number, location and appearance of neurons. Magnetic resonance imaging (MRI) determined gray and white matter volumes of affected and non-affected cerebral hemispheres, and gray and white matter neuronal-nuclear protein (NeuN) densities and sizes were assessed in...
Cerebellar liponeurocytoma (LPN) is a rare central nervous system tumor. We encountered a 45-year-old woman with cerebellar LPN who had a three months history of headaches and mild ataxia. MRI revealed a mixed signal tumor in the cerebellar vermis. The tumor was totally removed. Histologically, a highly cellular neoplasm composed of monomorphic small round neuronal cells mixed with lipomatous c...
Proinflammatory cytokine - interleukin 1β (IL-1β) plays an important role in stress reactions in the structures of limbic system. The impact of stress on IL-1β may depend on the ontogenetic age. The study examined the influence of acute and chronic exposure to forced swim (FS) or high-light open-field (HL-OF) stressors on neurons containing IL-1β. Double immunofluorescence staining was used to ...
OBJECTIVE The purpose of this study was to investigate the prenatal hypoxic effect on the fetal brain development. METHODS We used the guinea pig chronic placental insufficiency model to investigate the effect of hypoxia on fetal brain development. We ligated unilateral uterine artery at 30-32 days of gestation (dg : with term defined as -67 dg). At 50 dg, 60 dg, fetuses were sacrificed and a...
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