SINUS UROGENITALIS Meaning and
Definition
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Sinus urogenitalis is a term used in anatomy and medicine to describe a structure that is common to both the urinary and reproductive systems in some organisms, particularly in reptiles. The sinus urogenitalis is a cavity or passage that serves as a common opening for the urinary and reproductive tracts.
In male reptiles, the sinus urogenitalis acts as the terminal part of the urogenital system where the urethra from the urinary bladder fuses with the reproductive ducts such as the vas deferens or the spermatic ducts. This merging of structures allows for the expulsion of both urine and semen through a single opening.
In female reptiles, the sinus urogenitalis is also present but primarily serves as the opening for the urinary system. It acts as a reservoir for urine before it is excreted from the body. In some species, the sinus urogenitalis in females may also function as a copulatory organ, playing a role in the transfer of sperm during reproduction.
Overall, the sinus urogenitalis is an anatomical feature that allows for the convergence and separation of the urinary and reproductive tracts in certain species, facilitating the elimination of waste and the transfer of genetic material. It is a significant structure in the study of reptilian anatomy and reproductive biology.
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An embryonic structure derived from the cloaca, which is transformed into the vestibule of the vagina in the female and the urethra in the male.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SINUS UROGENITALIS
Etymology of SINUS UROGENITALIS
The term "sinus urogenitalis" is derived from Latin.
The word "sinus" in Latin means "curve", "bend", or "hollow". In anatomy, it refers to a cavity or a hollow space within the body.
The term "urogenitalis" combines two Latin words: "urō" meaning "urine" or "urinary", and "genitalis" meaning "pertaining to reproduction or genitals".
So, "sinus urogenitalis" can be translated as "the curved hollow cavity pertaining to the urinary and reproductive systems".
