Superficial inguinal lymph nodes
|Superficial inguinal lymph nodes|
The superficial lymph glands and lymphatic vessels of the lower extremity.
|Drains from||most of perineal region|
|Drains to||deep inguinal lymph nodes|
|Latin||nodi lymphoidei inguinales superficiales|
The superficial inguinal lymph nodes form a chain immediately below the inguinal ligament.
There are approximately 10 superficial lymph nodes.
The superficial nodes drain to the deep inguinal lymph nodes.
They receive as afferents lymphatic vessels from the following:
- integument of the penis
- abdominal wall below the level of the umbilicus
- back below the level of the iliac crest
- anus (below the pectinate line)
- the thigh and the medial side of the leg (the lateral leg drains to the popliteal lymph nodes first).
They are divided into three groups:
- Supramedial or Superomedial