superficial inguinal lymph nodes


su·per·fi·cial in·gui·nal lymph nodes

[TA] a group of 12-20 nodes that lie in the subcutaneous tissue below the inguinal ligament and along the terminal part of the great saphenous vein; they drain the skin and subcutaneous tissue of the lower abdominal wall, perineum, buttocks, external genitalia, and lower limbs; they are subdivided into three groups of lymph nodes (nodi lymphoidei): inferior (inferiores [TA], vertical) group of superficial inguinal lymph nodes, located inferior to the saphenous opening, receiving drainage of the lower limb; superolateral (superolaterales [TA], lateral horizontal) superficial inguinal lymph nodes located lateral to the saphenous opening, receiving drainage of lateral buttock and lower anterior abdominal wall; and superomedial (superomediales [TA], medial horizontal) superficial inguinal lymph nodes, located medial to the saphenous opening, receiving drainage of the perineum and external genitalia.