A 38 year old woman with peptic ulcer disease of the duodenum experiences severe abdominal pain. Which of the following nervous structures is most likely involved?

Anatomy

A 38 year old woman with peptic ulcer disease of the duodenum experiences severe abdominal pain. Which of the following nervous structures is most likely involved?

The action of digastric muscle is:

Which of the following vessels supply the anal canal?

All of the following muscles are elevators of the mandible EXCEPT: