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.

Bullying: How to Help Your Child Who Bullies

It can be hard to accept that your child may be bullying other children. But once you recognize the problem, you can help solve it by helping your child learn how his or her actions affect others. Being sensitive to others’ feelings (empathy) is largely a learned skill that you can teach your child. Take your child’s…

Tourette’s Disorder: Tic Triggers

Your child’s tics related to Tourette’s disorder may seem worse in certain situations or during times when he or she experiences strong emotions. Common triggers include: Stressful events, such as a family fight or poor performance at school. Allergies, physical illness, or fatigue. Anger or excitement. Difficulties…