Deep external pudendal artery

The deep external pudendal artery (also known as the deep external pudic artery) is a significant vascular structure within the pudendal arterial system. This artery is more deeply situated compared to its counterpart, the superficial external pudendal artery. Originating from the femoral artery, it courses medially, traversing beneath the pectineus and adductor longus muscles. The artery is encapsulated by the fascia lata, a layer of connective tissue, which it eventually penetrates near the medial aspect of the thigh.

In terms of distribution, the deep external pudendal artery exhibits sexual dimorphism. In males, it supplies blood to the skin of the scrotum and perineum, while in females, its terminations are primarily within the labia majora. Its branches form an anastomotic network with the scrotal (in males) or labial (in females) branches of the perineal artery, ensuring a collateral circulation that is vital for the vascularization of the external genitalia and adjacent regions.

Anatomical Course

The journey of the deep external pudendal artery begins as it branches off from the femoral artery. It then passes medially, lying deeper than the superficial variant, underneath the muscles of the inner thigh. Its path is characterized by its crossing over the pectineus and adductor longus muscles, being veiled by the fascia lata.

Clinical Significance

The deep external pudendal artery has clinical relevance in procedures involving the external genitalia and perineum, where its vascular territory must be considered. Furthermore, its anastomotic potential is of interest in surgical interventions that may require rerouting of blood flow or in cases of injury to the area.

See Also

• Pudendal arteries
• Femoral artery
• Perineal artery
• Anastomosis

Deep external pudendal artery Resources
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