Plan of the upper portions of the glossopharyngeal, vagus, and accessory nerves.
The digestive tract, with the esophagus marked in red
The diaphragm. Under surface. (Esophageal hiatus labeled at center right.)
H&E stained fibers of the vagus nerve (bottom right) innervate the sinoatrial node tissue (middle left)
The esophagus is constricted in three places.
Inferior view of the human brain, with the cranial nerves labeled.
A mass seen during an endoscopy and an ultrasound of the mass conducted during the endoscopy session.
Section of the neck at about the level of the sixth cervical vertebra
Transverse section of thorax, showing relations of pulmonary artery
The arch of the aorta, and its branches
Dura mater and its processes exposed by removing part of the right half of the skull, and the brain
The tracheobronchial lymph glands
Section of the medulla oblongata at about the middle of the olive
Hind- and mid-brains; postero-lateral view
Upper part of medulla spinalis and hind- and mid-brains; posterior aspect, exposed in situ
The right sympathetic chain and its connections with the thoracic, abdominal, and pelvic plexuses
The celiac ganglia with the sympathetic plexuses of the abdominal viscera radiating from the ganglia
The position and relation of the esophagus in the cervical region and in the posterior mediastinum, seen from behind
The thyroid gland and its relations
The thymus of a full-term fetus, exposed in situ
Deep dissection of vagus nerve
Vagus nerve – dissection

In human anatomy, the esophageal hiatus is an opening in the diaphragm through which the esophagus and the vagus nerve pass.

- Esophageal hiatus

The right vagus nerve gives rise to the right recurrent laryngeal nerve, which hooks around the right subclavian artery and ascends into the neck between the trachea and esophagus.

- Vagus nerve

It forms the posterior vagal trunk at the lower part of the esophagus and enters the diaphragm through the esophageal hiatus.

- Vagus nerve

Its smooth muscle is innervated by involuntary nerves (sympathetic nerves via the sympathetic trunk and parasympathetic nerves via the vagus nerve) and in addition voluntary nerves (lower motor neurons) which are carried in the vagus nerve to innervate its striated muscle.

- Esophagus

The esophageal hiatus, where it passes through the diaphragm in the posterior mediastinum

- Esophagus
Plan of the upper portions of the glossopharyngeal, vagus, and accessory nerves.

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