Internal spermatic artery

Internal Spermatic Artery

The internal spermatic artery, also known as the testicular artery, is shown in this illustration from Gray's Anatomy.

The Internal Spermatic Artery (ISA), also known as the Testicular Artery in males and the Ovarian Artery in females, is a branch of the Abdominal Aorta that supplies blood to the Testes in males and the Ovaries in females.

Anatomy

The ISA originates from the anterior surface of the abdominal aorta, below the Renal Arteries. It descends obliquely to the pelvic brim, where it crosses over the Ureter and the External Iliac Artery. It then passes through the Inguinal Canal within the Spermatic Cord in males and the Round Ligament of the Uterus in females.

Physiology

The ISA plays a crucial role in the Thermoregulation of the testes. It is responsible for carrying oxygenated blood to the testes and ovaries, which is essential for the production of Sperm and Ova respectively.

Clinical Significance

Anomalies of the ISA can lead to conditions such as Varicocele in males and Ovarian Torsion in females. It is also a significant structure in surgeries involving the testes and ovaries.

See Also

• Testes
• Ovaries
• Abdominal Aorta
• Renal Arteries
• Ureter
• External Iliac Artery
• Inguinal Canal
• Spermatic Cord
• Round Ligament of the Uterus
• Thermoregulation
• Sperm
• Ova
• Varicocele
• Ovarian Torsion

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