2012 / 04

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ORIGINAL RESEARCH

Impulse activity of medullar cardiovascular neurons during hypoxia and hypercapnia

Mikhaylova SD1, Semushkina TM1, Sokolov AV1, Mikaelyan NP1, Storozhakov GI2
About authors

1 Cardiovascular System Pathology Research Laboratory,
Pirogov Pirogov Russian National Research Medical University, Moscow, Russia

2 Department of Hospital Therapy No. 2, Medical Faculty,
Pirogov Pirogov Russian National Research Medical University, Moscow, Russia

Correspondence should be addressed: Sofia Mikhaylova
ul. Ostrovityanova, d. 1, Moscow, Russia, 117997; moc.liamg@volokos.la.rd

Received: 2012-01-30 Accepted: 2012-06-05 Published online: 2017-01-05
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In the acute experiments on rabbits there was discovered an impulse activity of afferent and interneurons of the medullar cardiovascular center in the conditions of hypoxia and hypercapnia. Afferent neurons received information on myelinated fibers of vagus nerve and caused reaction on hypercapnia in one per three cases. Interneurons received information simultaneously on both myelinated and unmyelinated fibers of vagus nerves. They reacted both on hypoxia and hypercapnia.

Keywords: impulse activity, neurons, medulla, hypoxia, hypercapnia

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