ectopic pregnancy {Ans: implantation of the embryo in any location other than the uterus}anencephaly {Ans: Congenital absence of part or all the brain}ovulation {Ans: the release of the ovum from the ovarian follicie}sentinel node biopsy {Ans: removal of a limited number of lymph nodes to determine if the cancer has spread to the lymph nodes}colposcopy {Ans: using a microscope with a light source, the vagina and cervix are visually examined to locate and evaluate abnormal cells. a biopsy of abnormal cells may be taken during this procedure}spina bifida {Ans: a condition In which the spinal column has an abnormal opening that allows the protrusion of the meninges or the spinal column}