This 3D model presents the human fetus at week 19 of gestation, with a protective coating of vernix caseosa beginning to form over skin that is already covered with lanugo. The visualization highlights continued growth of the head and body and reflects the rapid development of brain regions responsible for the senses, including touch, taste, smell, hearing, and vision. In female fetuses, the ovaries at this stage already contain millions of primitive egg cells, making the model a useful reference for discussing reproductive development before birth.
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