Figure 22-2
-Which structure controls the contraction of the muscular layer?
A)muscularis mucosae (2)
B)submucosal plexus (8)
C)circular layer of smooth muscle (9)
D)myenteric plexus (10)
E)longitudinal layer of smooth muscle (11)

Question

Figure 22-2
-Which structure controls the contraction of the muscular layer?
A)muscularis mucosae (2) 
B)submucosal plexus (8) 
C)circular layer of smooth muscle (9) 
D)myenteric plexus (10) 
E)longitudinal layer of smooth muscle (11)

Quizplus · Accepted Answer

The myenteric plexus, also known as the Auerbach's plexus (number 10 in the figure), controls the contraction of the muscular layer in the gastrointestinal tract. It is located between the circular and longitudinal layers of smooth muscle.

Figure 22-2 -Which Structure Controls the Contraction of the Muscular Layer