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It is evident that in the last decade or so, a vast amount of new information has become available concerning the various 5-HT receptor types and their characteristics. This derives from two main research approaches, operational pharmacology, using selective ligands (both agonists and antagonists), and, more recently, molecular biology. Although the(More)
Neuropathic pain or persistent dysesthesias may be initiated by mechanical, chemical, or ischemic damage to peripheral sensory nerves. In animal models of neuropathic pain, transection or constrictive injury to peripheral nerves produces ectopic discharges originating at both injury sites and related dorsal root ganglia (DRG), and, consequently,(More)
VERSA is a tool that assists in the algebraic analysis of real-time systems. It is based on ACSR, a timed process algebra designed to express resource-bound real-time distributed systems. VERSA is designed to be both a usable and useful tool for the analysis of ACSR speciications. Usability is assured by a exible user interface that uses ACSR's traditional(More)
Experiments were undertaken to characterize pharmacologically a neuronal receptor to 5-HT in guinea pig ileum. Segments of longitudinal muscle myenteric plexus preparations were treated with phenoxybenzamine and exposed to submaximal electrical field stimulation to evoke the cholinergically mediated "twitch" response. The ability of 5-HT to enhance the(More)