Dentistry

Getting X-rays at the dentist? It's safer than you realize

Since dental X-rays became commonplace some seven decades ago, dentists and hygienists have been draping their patients with protective gear to shield them from the possibility of radiation exposure to body parts other than ...

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Fetus

A fetus (also spelled foetus or fœtus) is a developing mammal or other viviparous vertebrate, after the embryonic stage and before birth. The plural is fetuses. In humans, the fetal stage of prenatal development starts at the beginning of the 11th week in gestational age (the 9th week after fertilization).

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