Assertion: atp | /r/HasProperty | released
Facets:
value: from the nerves
type: OTHER
Source sentences:
text: The following criteria, based on the summary given by Eccles (1964) would need to be satisfied before ATP could be established as the non‐adrenergic inhibitory transmitter substance: ATP and the enzymes necessary for its formation must be present in the inhibitory nerves; ATP must be released from the nerves when they are activated; ATP and the transmitter substance released on nerve stimulation must have the same effect on gastro‐intestinal muscle; an enzyme which inactivates ATP should occur in the tissue; drugs which are found to alter the normal nerve‐muscle transmission should similarly alter the effects of applied ATP.
text: Third, the ATP might have been released from trapped red blood cells in vascular backwaters which become perfused only when the vagus nerves are stimulated.