Meconium Release

#179, Slide 35 of 58

3 months

From The Biology of Prenatal Development.

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Note:

Meconium is the first material released by the fetal and newborn colon. It is made up of bile acids, dead cells, and other products from the gastrointestinal tract.

Label Key:

1. right upper thigh

2. perineum

3. meconium emerging from anal opening

4. left thigh

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.

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