نتایج جستجو برای: macrocentrus oriens

تعداد نتایج: 438  

Journal: :Journal of economic entomology 2001
M W Phoofolo J J Obrycki L C Lewis

Five treatments were used to exclude naturally occurring predators and parasitoids, based on body size and flight ability, to assess their effect on Ostrinia nubilalis (Hübner) populations on corn plaits. Two initial O. nubilalis egg densities (one egg mass and three egg masses per plant) were assigned to each treatment. Egg predation was higher in uncaged treatments than in caged treatments. F...

Journal: :Journal of neurophysiology 2005
Horacio G Rotstein Dmitri D Pervouchine Corey D Acker Martin J Gillies John A White Eberhardt H Buhl Miles A Whittington Nancy Kopell

The oriens-lacunosum moleculare (O-LM) subtype of interneuron is a key component in the formation of the theta rhythm (8-12 Hz) in the hippocampus. It is known that the CA1 region of the hippocampus can produce theta rhythms in vitro with all ionotropic excitation blocked, but the mechanisms by which this rhythmicity happens were previously unknown. Here we present a model suggesting that indiv...

Journal: :Brain research 1989
N Bousez-Dumesnil M Thomasset Y Ben-Ari

Slices of hippocampus from 6-day-old rats were cultured for 2-4 weeks using the roller-tube technique. The organization of these explants was studied by immunocytochemical labeling of calbindin-D 28K (CaBP 28K). The development of the CaBP 28K staining was very close to that of the rat hippocampus in vivo with only 3 subpopulations of labeled cells: granule cells and their mossy fibers, pyramid...

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