NEET PG Medical – 2012 – Question – 49
Nerve supply of cervical esophagus ?
a) Vagus
b) Left recurrent larynageal nerve
c) Right recurrent larynageal nerve
d) All of the above
Correct Answer – D
Ans. is ‘D’., All of the above
[Ref Clinical anatomy 3’d/e p. 2891
Nerve supply of esophagus:
Esophagus is supplied by both parasympathetic and sympathetic fibers.
A) Parasympathetic supply
It provides sensory, motor and secretomotor supply to esophagus.
Complete parasympathetic innervation is provided by Vagus nerve:-
1. Cervical esophagus: Through both (right & left) recurrent laryngeal nerve.
2. Upper thoracic esophagus: Through left recurrent laryngeal nerve and by direct branches from Vagus nerve.
3. Lower thoracic esophagus: Through esophageal plexus.
B) Sympathetic supply
It provides sensory and vasomotor supply.
It is provided by Ts to Tc spinal segments.
