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Medical Term:

thoracic cardiac branches of thoracic ganglia


part of the cardiopulmonary splanchnic nerves from the second to fifth segments of the thoracic sympathetic trunk that pass medially and anteriorly to enter the cardiac plexus; they convey postsynaptic sympathetic fibers to, and visceral afferent (pain) fibers from, the heart.

Synonym(s): rami cardiaci thoracici gangliorum thoracicorumTA, nervi cardiaci thoracici, thoracic cardiac nerves, upper thoracic splanchnic nerves

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.