What develops from the urogenital sinus?

The urogenital sinus gives rise to development of the lower vagina, vulva, and urethra during embryonic development, and these tissues are estrogen dependent.

What is meant by urogenital opening?

The urogenital opening is where bodily waste and reproductive fluids are expelled to the environment outside of the body cavity. In some organisms, including birds and many fish, discharge from the urological, digestive, and reproductive systems empty into a common sac called the cloaca.

What are the functions of the urogenital system?

The urogenital system is responsible for the formation, storage and elimination of urine and for reproductive activity. Many functions of the urogenital system are controlled by autonomic (parasympathetic and sympathetic) and somatic efferent pathways originating in the lumbosacral spinal cord.

When does urogenital sinus occur?

The presence of a cloaca is a normal phase of early human embryological development. Between the 4th and 7th weeks of gestation, the cloaca undergoes subdivision to form the hindgut and urogenital sinus.

What is the meaning of urogenital system?

urogenital system, also called genitourinary system, in vertebrates, the organs concerned with reproduction and urinary excretion. Although their functions are unrelated, the structures involved in excretion and reproduction are morphologically associated and often use common ducts.

Where are the urogenital openings?

The anus is surrounded on both sides by hairless inguinal spaces. The male’s urogenital opening continues into a preputial fold which forms a sheath for the penis. In the female, this skin fold forms the vulva, which contains the small clitoris on the ventral wall.

What’s urogenital mean?

Definition of urogenital : of, relating to, or being the organs or functions of excretion and reproduction : genitourinary urogenital atrophy.