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  2. Umbilical cord - Wikipedia

    en.wikipedia.org/wiki/Umbilical_cord

    The term "umbilical cord" or just "umbilical" has also come to be used for other cords with similar functions, such as the hose connecting surface-supplied divers to their surface supply of air and/or heating, or space-suited astronauts to their spacecraft. Engineers sometimes use the term to describe a complex or critical cable connecting a ...

  3. Fetal circulation - Wikipedia

    en.wikipedia.org/wiki/Fetal_circulation

    The fetal circulation is composed of the placenta, umbilical blood vessels encapsulated by the umbilical cord, heart and systemic blood vessels. A major difference between the fetal circulation and postnatal circulation is that the lungs are not used during the fetal stage resulting in the presence of shunts to move oxygenated blood and ...

  4. Single umbilical artery - Wikipedia

    en.wikipedia.org/wiki/Single_umbilical_artery

    Occasionally, during pregnancy, there is a single umbilical artery (SUA) present in the umbilical cord, as opposed to the usual two. [1] This is sometimes also called a two-vessel umbilical cord, or two-vessel cord. Approximately, this affects between 1 in 100 and 1 in 500 pregnancies, making it the most common umbilical abnormality.

  5. Deferred umbilical cord clamping reduces premature baby death ...

    www.aol.com/deferred-umbilical-cord-clamping...

    In a subgroup of premature babies born before 32 weeks of pregnancy, 44.9% (449/1001) with immediate cord clamping experienced hypothermia after birth, compared to 51.2% (509/994) of those with ...

  6. Chorionic villi - Wikipedia

    en.wikipedia.org/wiki/Chorionic_villi

    They are an essential element in pregnancy from a histomorphologic perspective, and are, by definition, a product of conception. Branches of the umbilical arteries carry embryonic blood to the villi. After circulating through the capillaries of the villi, blood returns to the embryo through the umbilical vein. Thus, villi are part of the border ...

  7. Umbilical artery - Wikipedia

    en.wikipedia.org/wiki/Umbilical_artery

    The umbilical arteries are actually the anterior division of the internal iliac arteries, and retain part of this function after birth. [3] The umbilical arteries are one of two arteries in the human body, that carry deoxygenated blood, the other being the pulmonary arteries. The pressure inside the umbilical artery is approximately 50 mmHg. [4]

  8. Yolk sac - Wikipedia

    en.wikipedia.org/wiki/Yolk_sac

    The yolk sac is the first element seen within the gestational sac during pregnancy, [1] usually at three days gestation. The yolk sac is situated on the front ( ventral ) part of the embryo ; it is lined by extra-embryonic endoderm , [ 3 ] outside of which is a layer of extra-embryonic mesenchyme , derived from the epiblast.

  9. Why are you suddenly seeing umbilical cords all over social ...

    www.aol.com/news/umbilical-cord-keepsakes-going...

    While umbilical cord keepsakes are going viral on social platforms like TikTok, the preservation practice is not new. Carmen Calvo, 43, of San Antonio, Texas, has been creating keepsakes from ...