Neuronal circuitary within the myenteric plexus proposed to control muscle contractile activity in the intestine (Based on figure from Despopoulo, A, Silbernagl S. [1991] Colour Atlas of Pharmacology, 4th Edition, Thieme Medical PublishersAnnotate the picture (what mediators are released and where will your drugs act?

Fill in the Blank QuestionFill in the blank question.The nerve fibers that control the contractions of the circular and longitudinal layers of the muscularis are called the plexus.

The intestinal movement of materials to the lower tract is brought about by waves of muscular contraction called:Group of answer choicesChurningSegmentationPeristalsisDigestion

The neurotransmitter released at neuromuscular junctions, stimulating skeletal muscle contraction, is .

Fill in the Blank QuestionFill in the blank question.Mass movements in the large intestine are called the reflex.

During muscle contraction, binding sites for myosin are uncovered by the movement of ___________.Multiple ChoicetropomyosinADPactin myofilamentstroponin