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|
There are approximately 10 superficial lymph nodes. Inguinal lymph nodes may normally be up to 2 cm in size.
The superficial nodes drain to the deep inguinal lymph nodes.
They receive lymphatic afferents 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: