Abstract:
:Currently, most undergraduate textbooks that cover the autonomic nervous system retain the concept that autonomic nerves release either acetylcholine or norepinephrine. However, in recent years, a large volume of research has superseded this concept with one in which autonomic nerves normally release at least one cotransmitter along with a dominant transmitter that may or may not be acetylcholine or norepinephrine. Cotransmission involving the simultaneous release of norepinephrine, ATP, and neuropeptide Y can easily be demonstrated in an isometric ring preparation of the rat tail artery, which is described here. The experiment clearly demonstrates the principle of cotransmission but allows more advanced concepts in autonomic cotransmission to be addressed.
journal_name
Adv Physiol Educjournal_title
Advances in physiology educationauthors
Johnson CDdoi
10.1152/advan.00070.2010subject
Has Abstractpub_date
2010-12-01 00:00:00pages
217-21issue
4eissn
1043-4046issn
1522-1229pii
34/4/217journal_volume
34pub_type
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