What is difference between cremaster muscle and dartos muscle?

Note: Cremaster muscle is a series of small bands of skeletal muscle that come down as an extension of the internal oblique muscle through the spermatic cord to surround the testis. Dartos muscle is found in the subcutaneous layer of the scrotum.

What is dartos muscle?

The dartos muscle (tunica dartos) is a thin sheet of smooth muscle closely associated with the skin of the scrotum.

Do females have dartos muscle?

In the scrotum, it consists mostly of smooth muscle. The tone of this smooth muscle is responsible for the wrinkled (rugose) appearance of the scrotum. In females, the same muscle fibers are less well developed and termed dartos muliebris, lying beneath the skin of the labia majora.

What happens to the dartos and cremaster muscle when males exercise?

By contracting simultaneously, the dartos and cremaster muscles can elevate the testes in cold weather (or water) moving the testes closer to the body and decreasing the surface area of the scrotum to retain heat.

What is the function of the dartos muscle quizlet?

In the scrotum, the tunica dartos acts to regulate the temperature of the testicles, which promotes spermatogenesis. Narrow, coiled tubules that produce sperm in the testes.

What is the function of the Cremaster Muscle quizlet?

The function of the cremaster muscle in the male reproductive system is to control the temperature of the testes by relaxing or tightening to keep sperm within the testes cooler than the core body temperature.

What is the result of contraction of the dartos muscle?

The tunica dartos is a smooth muscle found in the subdermal layer of the scrotal skin. Contraction of the dartos reduces the surface area of the scrotum and blood flow to the scrotal skin, preventing heat loss. Dartos relaxation causes excess heat to be removed.

What is the function of the cremaster muscle What nerve Innervates it select one function and one nerve?

Cremaster muscle

Origin Lateral part: Lower edge of internal abdominal oblique and transversus abdominis muscles, inguinal ligament Medial part: Pubic tubercle, lateral part of pubic crest
Insertion Tunica vaginalis of testis
Action Retraction of testis
Innervation Genital branch of genitofemoral nerve (L1, L2)