![]() The lateral part of cremaster is mainly derived from the lower fibers of the transversus abdominis muscle or from the internal abdominal oblique muscle and inguinal ligament. The cremaster muscle consists of two parts lateral and medial. In this article, we will discuss the anatomy and function of the cremaster muscle. Genital branch of genitofemoral nerve (L1, L2)Ĭremasteric branch of inferior epigastric artery ![]() Medial part: Pubic tubercle, lateral part of pubic crest Lateral part: Lower edge of internal abdominal oblique and transversus abdominis muscles, inguinal ligament This action protects the testes and sperm cells from the negative environmental factors (e.g. Some remnants of the muscle are also present in women, located adjacent to the ligaments of the uterus.īy contracting, the cremaster muscle pulls the testes superiorly ( retraction) towards the inguinal canal. Being located between the internal and external layers of spermatic fascia, cremaster covers the testes and spermatic cord. ![]() Cremaster is a paired muscle of the pelvis and perineum that is fully developed only in the external genitalia of males. ![]()
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