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A lithopedion (also spelled lithopaedion or lithopædion; from Ancient Greek: λίθος "stone" and Ancient Greek: παιδίον "small child, infant"), or stone baby, is a rare phenomenon which occurs most commonly when a fetus dies during an abdominal pregnancy, [1] is too large to be reabsorbed by the body, and calcifies on the outside as ...
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Anteroposterior abdominal radiograph shows a soft-tissue mass in the right hemiabdomen. The mass contains calcified osseous-appearing structures of varying sizes and shapes. The postoperative specimen from the previous image shows a fairly well developed fetus lying on its back, with rudimentary digits.
The internal pressure of the amniotic fluid causes the amnion to be passively attached to the chorion. [4] The chorion functions to separate the amnion from the maternal decidua and uterus. [4] The placenta develops from the chorion of the embryo and the uterine tissue of the mother.
This list of related male and female reproductive organs shows how the male and female reproductive organs and the development of the reproductive system are related, sharing a common developmental path. This makes them biological homologues. These organs differentiate into the respective sex organs in males and females.
After birth, the umbilical cord stump will dry up and drop away by the time the baby is three weeks old. [10] If the stump still has not separated after three weeks, it might be a sign of an underlying problem, such as an infection or immune system disorder. [10]
In 2013, a woman in Colombia went to the hospital in Bogota where doctors found that she had been carrying around a calcified fetus for 40 years. If you want something weirder, the same year a 2 ...
Hence, the IVC will only carry deoxygenated blood from the infant's organs and lower extremities. Second, as the infant breathes, the lungs will expand and fill the alveoli with oxygen. The increased oxygen content will dilate the pulmonary capillaries and also trigger the release of nitric oxide , which further dilates the blood vessels within ...