One entry found for amniocentesis.

Main Entry: am·nio·cen·te·sis
Pronunciation: am-n--()sen-t-ss
Function: noun
Inflected Form(s): plural amniocen·te·ses /-t-sz/
: the procedure of inserting a hollow needle through the wall of the abdomen and into the uterus of a pregnant female to withdraw a sample of the fluid surrounding the fetus that is used to find out its sex and especially to check for abnormal chromosomes which may predict a birth defect