Gestational sac
Gestational Sac
The Gestational Sac (pronounced: jes-tay-shuh-nuhl sak) is an important term in the field of Obstetrics and Gynecology. It is the first visible structure typically identified within the uterus in early pregnancy.
Etymology
The term "Gestational" is derived from the Latin word "gestare" which means "to carry or to bear". The term "Sac" is derived from the Latin word "saccus" which means "bag".
Definition
The Gestational Sac is the large cavity of fluid surrounding the embryo during early pregnancy. It is usually first seen on Ultrasound around the fifth week of pregnancy. The gestational sac is filled with amniotic fluid which protects and supports the developing embryo.
Related Terms
- Embryo: The early stage of development of a multicellular organism.
- Amniotic Fluid: The protective liquid contained by the amniotic sac of a gravid amniote.
- Ultrasound: An imaging method that uses high-frequency sound waves to produce images of structures within your body.
- Uterus: A major female hormone-responsive secondary sex organ of the reproductive system in humans.
See Also
References
External links
- Medical encyclopedia article on Gestational sac
- Wikipedia's article - Gestational sac
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