thoracic splanchnic nerve

Introduction

Splanchnic nerves arising from the thoracic portion of the sympathetic trunks.

Upper thoracic splanchnic nerve lower thoracic splanchnic nerve:

Main source of presynaptic sympathetic fibers serving abdominal viscera

Includes:

• greater splanchnic nerve
• lesser splanchnic nerve
• least splanchnic nerve (lowest)

More general terms

• splanchnic nerve

Component of

• abdominopelvic splanchnic nerve
• cardiopulmonary splanchnic nerve