[The physiological mechanisms of the neurohumoral regulation of vascular tonus].
Neuronal organisation of hypothalamo-bulbar mechanisms of regulation of vascular tonus was studied in anesthetised and immobilised cats. The descending influence of posterior, tuberal and anterior structures of the hypothalamus on the activity of antidromically identified sympatho-activating reticulospinal neurons of the ventrolateral region of medulla oblongata is realised by mono-, oligo- and polysynaptic mechanisms. Chronic neurogenic hypertension was induced in rats by overloading the higher nervous activity. Arterial hypertension did not develop in chemically desympathized cats. Central and peripheral neurohumoral mechanisms of vascular tonus regulation are discussed.
Baklavadzhian
O G
OG
Akhverdian
M S
MS
Darbinian
A G
AG
Eganova
V S
VS
Mkrtchian
A G
AG
Taturian
I Kh
IKh
D000200:Action Potentials / Q000502:physiology; D000818:Animals; D002415:Cats; D003214:Conditioning, Classical / Q000502:physiology; D004558:Electric Stimulation; D006973:Hypertension / Q000503:physiopathology; D007031:Hypothalamus / Q000502:physiology; D008526:Medulla Oblongata / Q000502:physiology; D008839:Microelectrodes; D009474:Neurons / Q000502:physiology; D018377:Neurotransmitter Agents / Q000502:physiology*; D051381:Rats; D013563:Sympathectomy, Chemical; D013564:Sympathetic Nervous System / Q000502:physiology; D014655:Vascular Resistance / Q000502:physiology*
D018377:Neurotransmitter Agents
Issledovanie nekotorykh fiziologicheskikh mekhanizmov neĭrogumoral'noĭ reguliatsii sosudistogo tonusa.