It is situated superficially in front of the tensor fasciae latae about a handbreadth above the patella.
Afferents: Skin of leg, thigh, hip, abdomen and muscles of these regions.
Efferents: To deep inguinal and internal iliac nodes.
Sacral lymph node
It consists of medial and lateral groups.
The medial lymph nodes are inconstant and lie on the deep face of the sacrosciatic ligament.
Afferents: Pelvic urethra, prostate and vagina.
Efferents: To internal iliac nodes.
The lateral groups consist of small nodes on the upper part to the lateral face of the sacrosciatic ligament.
Afferents: Gluteus profundus, hip joint and pelvic bones.
Efferents: The internal iliac and inguinal lymph nodes.
Ischiatic lymph node
It is a small node on the lateral face of the sacrosciatic ligament at the lesser sciatic foramen under cover of biceps femoris.
A second one often occurs at the medial side of tuber ischii.
Afferents: Gluteal muscles, hip joint, rectum, anus, vulva, root of penis, prostate and bulbourethral glands.
Efferents: To internal iliac nodes.
Superficial inguinal lymph node (in the male)
It is situated above the neck of the scrotum.
Afferents: Scrotum, prepuce and skin.
Efferents: To deep inguinal lymph node.
Supramammary lymph node (in the female)
It is situated above the posterior border of the mammary gland.
Afferents: Mammary gland
Efferents: To deep inguinal node.
Popliteal lymph node
It is small node situated between the two heads of the gastrocnemius muscle and covered by the biceps femoris and semitendinosus muscles about the level of the stifle joint.
