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Journal of autonomic pharmacology.
Discontinued
Publisher:
Galen Press,. Oxford : Blackwell Scientific Publications
Frequency: Six no. a year
Country: England
Language: English
Start Year:1980 - 2001
Identifiers
| ISSN: | 0144-1795 (Print) 1365-2680 (Electronic) 0144-1795 (Linking) |
| NLM ID: | 8106455 |
| (DNLM): | J13790000(s) |
| (OCoLC): | 07517142 |
| Coden: | JAPHDU |
| LCCN: | sc 82002463 |
| Classification: | W1 JO547P |
Biphasic responses of equine colonic vessel rings to vasoactive inflammatory mediators. 1. The role of endothelium in modulating equine colonic vessel responses to histamine (HST), 5-hydroxytryptamine (5-HT), bradykinin (BK) and acetylcholine (ACh) was evaluated in vitro. 2. Segments of mesenteric arteries and veins were collected from the left ventral colon of six adult horses destined for euthanasia for reasons unrelated to cardiovascular or gastrointestinal systems. Vessels were gently cleansed and cut into 4 mm wide rings. 3. Three vessel conditions namely endothelium intact, endothelium removed and N omega-nitro-L-arginine methyl ester (L-NAME)-treated were used for both art...
Pharmacological characterization of adrenoceptors in horse corpus cavernosum penis. 1. The presence and types of alpha and beta-adrenoceptors in the corpus cavernosum of the horse were studied in vitro by using selected ligands of adrenoceptors and isometric tension recording. 2. Noradrenaline and phenylephrine induced concentration-dependent contractions in corpus cavernosum preparations. B-HT 920 had no effect. 3. Phentolamine and prazosin produced a shift to the right of the dose-response curve of noradrenaline, while the alpha(2)-antagonist, rauwolscine had no effect on the response to noradrenaline. Phenylephrine-evoked contractions of corporal strips were significantly ...
Dose-related effects of detomidine on autonomic responses in the horse. 1. Detomidine is a novel veterinary sedative analgesic which is thought to act by stimulation of alpha 2 adrenoreceptors. The present study was undertaken to determine the direction, time course, and dose-response relationship of detomidine on specific autonomic responses in the unanaesthetized horse. 2. Detomidine was administered intravenously to eight adult thoroughbred racehorses at doses of 0.010-0.040 mg kg-1, according to a double-blind Latin square crossover design. Cardiac and respiratory rates, pupil diameter and rectal temperature were monitored for 180 min postinjection. 3. Detomid...
