What does dartos mean?

What does dartos mean?

Medical Definition of dartos : a thin layer of vascular contractile tissue that contains smooth muscle fibers but no fat and is situated beneath the skin of the scrotum or beneath that of the labia majora.

Where does the dartos muscle come from?

The dartos muscle is the thin rugated fascial muscle of the scrotum made of smooth muscle. Hence it is also referred to as dartos fascia or simply the dartos. It forms from the subcutaneous tissue of the scrotum and base of the penis and attaches to the scrotal skin and fibrous midline septum between the testes.

What is tunica dartos?

The Dartos Tunic (tunica dartos) is a thin layer of non-striped muscular fibers, continuous, around the base of the scrotum, with the two layers of the superficial fascia of the groin and the perineum; it sends inward a septum, which divides the scrotal pouch into two cavities for the testes, and extends between the …

What is dartos fascia a continuation of?

The dartos fascia is a fat-free layer of smooth muscular fiber outside the external spermatic fascia but below the skin. It is a continuation of Scarpa’s Fascia which is a membranous layer of the subcutaneous tissue in the abdominal wall.

What’s the difference between cremaster muscle and dartos muscle?

Just under the tunica dartos is another layer of muscle, the cremaster, which extends also to the spermatic cord. This muscle contracts when the inner thigh is stroked; the “cremasteric reflex” is discussed in Chapter 8. Unlike the tunica dartos, the cremaster is a voluntary striated muscle.

What’s the area under the balls called?

The perineum also protects the nerves used to urinate or have an erection. In males, the perineum is the area between the anus and the scrotum.

What is the line on a man’s balls?

There is a longitudinal line in the middle of the scrotum called the scrotal raphe. Left and right genital eminences fuse at the scrotal raphe which links forward to the penile raphe at the root of the penis and backward to the perineal raphe.

What is dartos pouch?

The dartos fascia or simply dartos is a layer of connective tissue found in the labia, penile shaft, foreskin, and scrotum. The penile portion is referred to as the superficial fascia of penis or the subcutaneous tissue of penis, while the scrotal part is the dartos proper.

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 does the term Orchiopexy mean?

Orchiopexy (or orchidopexy) is a surgery to move an undescended (cryptorchid) testicle into the scrotum and permanently fix it there. Orchiopexy typically also describes the surgery used to resolve testicular torsion. Urology 216.444.5600.

Is there liquid in your balls?

The normal testis is surrounded by a smooth protective tissue sac. You cannot normally feel this. It makes a small amount of ‘lubricating’ fluid to allow the testis to move freely. Excess fluid normally drains away into the veins in your scrotum.

What is Buck fascia?

Buck fascia , seen here at higher power, is a layer of loose connective tissue with interspersed blood vessels and nerves that surrounds the thick layer of collagen that makes up the tunica albuginea .

Is Colles fascia the same as dartos fascia?

Scarpa’s fascia extends superficially to the spermatic cord and scrotum, where it is known as the dartos fascia. From within the scrotal area, the fascia is traceable backward, where it continues as Colles fascia as it blends with the deeper layers of the perineum.

What does gubernaculum become?

The second or inguinoscrotal phase of descent requires the gubernaculum to change from a relatively inert, static structure ending in the inguinal muscles into an elongating, migrating organ that extends across the pubis and into the scrotum in the perineum.