Tags: Anatomical Structure, Lymph.

An apical (or medial or subclavicular) group of six to twelve glands is situated partly posterior to the upper portion of the Pectoralis minor and partly above the upper border of this muscle. Its only direct territorial afferents are those that accompany the cephalic vein and one that drains the upper peripheral part of the mamma. However it receives the efferents of all the other axillary glands.

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