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anterior pectoral cutaneous branch of intercostal nerves


Definition: continuation of the anterior rami of spinal nerves (intercostal nerves) T1–T6 distal to the origin of the lateral cutaneous branches; they become cutaneous in the parasternal line and divide into medial (sternal) and lateral (medial mammary) branches; distributed to anterior thoracic wall.

Synonym(s): ramus cutaneus anterior pectoralis nervi intercostalisTA, pectoral anterior cutaneous branch of intercostal nerves

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