Resetting as a General Functional Property of Cardiovascular Mechanoreceptors (Experimental Study of Mechanoreceptors in the Aorta and Auricles)
| Autor: | F.P. Yasinovskaya, G.G. Beloshapko, E.P. Anyukhovsky |
|---|---|
| Rok vydání: | 1976 |
| Předmět: |
Aortic arch
medicine.medical_specialty Aorta Baroreceptor business.industry musculoskeletal neural and ocular physiology Carotid sinus Distension medicine.anatomical_structure Blood pressure nervous system medicine.artery Dilator Internal medicine cardiovascular system Cardiology Medicine Thoracic aorta business |
| DOI: | 10.1016/s0079-6123(08)64358-7 |
| Popis: | Publisher Summary Resetting is a general property of the cardiovascular mechanoreceptors. Increased arterial pressure results in the resetting of mechanoreceptors in the aortic arch and in the carotid sinus, which means that in spite of high pressure the activity of the baroreceptors remains at the same level as in the normal state. This chapter investigates the summed activity of the left aortic nerve, and the aortic diameter and pressure in both normal and renal hypertensive rabbits in isolated preparations of the aortic arch. In rabbits, a 2–4 week period of hypertension leads to resetting of aortic baroreceptors without changes in the distensibility of the aorta. In later stages of hypertension (8–10 weeks), the distensibility of the aorta decreases that leads to a greater resetting of the baroreceptors. Also, decrease of activity of the auricle mechanoreceptors are found on prolonged atrial distension of cats by means of an umbrella-type dilator. |
| Databáze: | OpenAIRE |
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