Regulation of cardiac function in prepubertal rats.
Prepubertal period in rats is characterized by some peculiarities of the cardiac regulatory mechanisms. In 6-week-old rats atropine produced bradycardia instead of tachycardia. Similar reaction was not observed in chemically sympathectomized age-matched rats.
Zefirov
T L
TL
Department of Anatomy, Physiology, and Human Health Protection, Kazan State Pedagogical University.
Svyatova
N V
NV
Ziyatdinova
N I
NI
D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004558:Electric Stimulation; D004562:Electrocardiography; D006145:Guanethidine / Q000494:pharmacology; D006321:Heart / Q000187:drug effects / Q000294:innervation* / Q000502:physiology; D006339:Heart Rate / Q000187:drug effects; D018727:Muscarinic Antagonists / Q000494:pharmacology; D010275:Parasympathetic Nervous System / Q000502:physiology*; D011433:Propranolol / Q000494:pharmacology; D051381:Rats; D012741:Sexual Maturation; D013563:Sympathectomy, Chemical; D013564:Sympathetic Nervous System / Q000502:physiology*; D013565:Sympatholytics / Q000494:pharmacology; D014628:Vagotomy; D014630:Vagus Nerve / Q000187:drug effects* / Q000378:metabolism
D000319:Adrenergic beta-Antagonists; D018727:Muscarinic Antagonists; D013565:Sympatholytics; D001285:Atropine; D011433:Propranolol; D006145:Guanethidine