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Embryonic Structures > Gestational Sac

Preferred term

Gestational Sac  

Type

  • Topical Descriptor

Broader concept

Entry terms

  • Gestation Sac
  • Gestation Sacs
  • Sac, Gestation
  • Sacs, Gestation

Scope note

  • Round-shaped structure usually located in the upper fundus of the UTERUS in early pregnancy. It comprises EMBRYO; AMNIOTIC FLUID; and YOLK SAC. It is visible in PRENATAL ULTRASONOGRAPHY by the fifth week of pregnancy. Its size is often used to determine and monitor GESTATIONAL AGE; FETAL GROWTH; and PREGNANCY COMPLICATIONS.

History note

  • 2011

In other languages

URI

http://www.yso.fi/onto/mesh/D058746

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