1 in cats anaesthetized with pentobarbitone , observations were made on respiration , spontaneous and evoked diaphragmatic electromyograms , blood pressure , heart rate , indirectly-induced contractions of the anterior tibialis muscle and nictitating membrane , and electrical excitability of the inspiratory centre in the medulla oblongata.2gymnodinium breve toxin ( gbtx ) was administered intravenously , intra-arterially to the brain , and intracerebroventricularly .
C0035203
respiration
C0004048
inspiratory