Nerve supply of cervical esophagus ?
Ans. is d'., All of the above[Ref Clinical anatomy 3'd/e p. 2891Nerve supply of esophagus:Esophagus is supplied by both parasympathetic and sympathetic fibers.A) Parasympathetic supplyIt provides sensory, motor and secretomotor supply to esophagus.Complete parasympathetic innervation is provided by vagus nerve:-Cervical esophagus: Through both (right & left) recurrent laryngeal nerve.Upper thoracic esophagus: Through left recurrent laryngeal nerve and by direct branches from vagus nerve.Lower thoracic esophagus: Through esophageal plexus.B) Sympathetic supplyIt provides sensory and vasomotor supply.It is provided by Ts to Tc spinal segments.
Vagus
Left recurrent larynageal nerve
Right recurrent larynageal nerve
All of the above