Describe the structures and functions of the enteric nervous system

What will be an ideal response


The ENS consists of the submucosal plexus in the submucosa and the myenteric plexus in the muscularis. Both contain sensory and motor neurons, as well as ANS postganglionic fibers of both divisions. The myenteric plexus also contains parasympathetic ganglia. The submucosal plexus regulates movements of the mucosa, secretion from glands in the gastrointestinal tract, and vasoconstriction of blood vessels in the gastrointestinal tract. The myenteric plexus regulates gastric motility.

Anatomy & Physiology

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As sound levels increase in the spiral organ (of Corti), ________

A) inner hair cells stiffen the basilar membrane B) outer hair cells bend the cilia away from the kinocilium C) inner hair cells bend the cilia away from the kinocilium D) outer hair cells stiffen the basilar membrane

Anatomy & Physiology

Skeletal muscle lines hollow organs

Indicate whether the statement is true or false

Anatomy & Physiology

A muscle not innervated by a plantar nerve is the

A. extensor digitorum brevis. B. flexor digitorum brevis. C. plantar interossei. D. lumbricals. E. flexor hallucis brevis.

Anatomy & Physiology

There are __ types of muscle cells

A) 2 B) 5 C) 3 D) 4

Anatomy & Physiology