Lymph Vessels of the Tail Muscles

Some of the lymph vessels of the muscles that raise the tail drain to the lateral sacral lymph node and others drain to the medial sacral lymph node, though, if the sacral lymph nodes are absent, these lymph vessels drain directly to the hypogastric lymph nodes. The lymph vessels of the muscles that lower the tail drain directly to the hypogastric and medial sacral lymph nodes. Rarely, a lymph vessel from these muscles may drain directly to the medial iliac lymph node, bypassing the hypogastric and medial sacral lymph nodes entirely.