Which of the options is a 36 amino acid peptide with a tyrosine at both ends?
pyy
Which of the following statements about nervous regulation of gastrointestinal function is incorrect ?
Intrinsic nervous regulation of gastrointestinal secretion is provided mainly by neurons in the myenteric plexus.
The submucosal plexus exerts the more important influence on gastrointestinal secretion.
what is the coeliac, superior mesenteric and inferior mesenteric ?
These are sympathetic ganglia.