Effects of drugs on cat nictitating membrane. The user can select a drug, from a drop-down list (saline (vehicle control); norepinephrine (noradrenaline); atropine; phentolamine; propranolol; isoprenaline; hexamethonium; physostigmine; nicotine; nicotine (high conc); tyramine; unknown). The user cam also select the site of administration (either the superior cervical ganglion (SCG) or the neuromuscular junction (NMJ) and whether to electrically stimulate the preganglionic nerves (a stimulus protocol is pre-selected to give a sub-maximal contraction so that potential relaxant effects of drugs can be observed). The trace shows recordings from both ipsilateral and contralateral nictitating membranes. (Absolute Paths) (Flash Interaction)
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Cat Nictitating Membrane
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Sheffield BioScience Programs