G L Bekaia

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Existence of the autoregulation phenomenon in the blood supply system of the optic nerve has been established in the 1990; however, some of its quantitative and qualitative characteristics still require clarification. The goal of the present work was assessment of the lower margin in autoregulation of the blood supply of the optic nerve in the rabbit in(More)
In a review article the authors based on the analysis of the literature, conclude that the Calcitonin Gene-Related Peptide (CGRP) inhibits myometrial contractility at the background of the nonselective Nitric Oxide Synthase inhibitor (L-NAME) action. Along with this, there are evidences that in NOS-deficient rats the process of pregnancy proceeds normally.(More)
Along with the brief history of amide local anesthetics development, their most important properties (from the viewpoint of use in clinical dental practice), are also reviewed. In particular, some properties of most commonly used local anesthetics, such as lidocaine, mepivacaine, prilocaine, bupivacaine and articaine are analysed. The most important data(More)
The present study analysis the changes in learning ability of the progeny of rats suffered from iodine deficiency. Reduction of serum thyroxin in the mothers' blood during three months before mating and whole period of gestation to an average level of 4,7+/-0,6 ng/ml, significantly worsened the learning ability in progeny, and the reduction to 1,1+/-0,4(More)
Experimental studies on rats revealed that the newborns growth retardation, caused by long-term treatment with Dexamethasone in the neonatal period, can be prevented by the simultaneous with dexamethasone administration of the nitric oxide donor--L-arginine. This indicates that the mentioned Dexamethasone-induced growth disorder is caused by inhibition of(More)
Intracellular neuronal and glial activity in response to tetanic stimulation of the cortical surface or thalamic nuclei and accompanying cortical surface negative potential shifts were recorded in lightly nembutalized curarized cats. Glial cells responded to such stimulation by slow depolarization which under certain conditions of stimulation was replaced(More)
Evoked responses of the motor cortex (dendritic and slow negative potentials) elicited by its direct electrical stimulation, primary, nonspecific and antidromic responses elicited by stimulation of ventrolateral and intralaminar thalamic nuclei and pyramidal pathways and the respective postsynaptic responses of neurons were studied in acute experiments on(More)
It is known that in the process of gestation and delivery, jointly with well recognized regulatory factors such as sex steroids, catecholamines, oxytocin and prostaglandins the substances of peptidergic nature are also involved. One of these substances is a Calcitonin Gene-Related Peptide (CGRP). In experiments on groups of pregnant and non pregnant rats we(More)
Spontaneous electrical activity of the cerebellar cortex and fastigial nuclei was studied in unrestrained cats with implanted electrodes. Rhythmic (4-8/s) electrical activity was recorded in the fastigial nuclei of the cerebellum in paradoxical sleep as well as during some fragments of active wakefulness. A weak correlation between these processes was(More)