Descripción

Lateral pectoral cutaneous branches (rami cutanei laterales) are derived from the upper intercostal nerves (2 to 6), about midway between the vertebræ and sternum; they pierce the Intercostales externi and Serratus anterior, and divide into anterior and posterior branches.

  • The anterior branches run forward to the side and the forepart of the chest, supplying the skin and the mamma (Lateral mammary branches); those of the fifth and sixth nerves supply the upper digitations of the Obliquus externus abdominis.
  • The posterior branches run backward, and supply the skin over the scapula and Latissimus dorsi

This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).

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