Louis Pellegrino MD


Chorionic villi of the placenta

Chorionic villi are tiny, branching growths found in the placenta. The cells of the chorionic villi have the same genetic material as the cells of the fetus.

Vellosidades coriónicas de la placenta

Ilustración: Copyright 2000 Nucleus Communications, Inc. Todos los derechos reservados. http://www.nucleusinc.com Las vellosidades coriónicas son diminutos crecimientos con forma de dedo que se encuentran en la placenta. El material genético de las células de vellosidades coriónicas es el mismo que el de las células del…

Chorionic villi of the placenta

Chorionic villi are tiny, branching growths found in the placenta. The cells of the chorionic villi have the same genetic material as the cells of the fetus.

Aggression in Youth

What is aggression? Everyone gets angry sometimes, even small children. But some children and teens have so much trouble controlling their anger that they shove, hit, or make fun of other people. This causes them trouble at home and at school. They often have a hard time making friends. And their aggression makes…

Nonverbal Learning Disorder

Nonverbal learning disorder is a learning disorder that has many traits commonly associated with autism spectrum disorder. Like those with autism spectrum disorder (ASD), children with nonverbal learning disorder usually start to talk around 2 years of age (the age at which speech normally develops). They often have…