Cell biology (formerly cytology, from the Greek ÎºÏÏÎ¿Ï, kytos, contain) is a branch of biology that studies cells â their physiological properties, their structure, the organelles they contain, interactions with their environment, their life cycle, division, death and cell function.
Rafael Barba (Twenty-Five Acts) (SVU) Alexandra Alex Cabot is a fictional character within the Law & Order universe portrayed by Stephanie March. She is a primary character in Law & Order: Special Victims Unit and Conviction.
Alex Kingston. Alexandra Elizabeth Alex Kingston (born 11 March 1963) is an English actress. She is known for her roles as Dr. Elizabeth Corday on the NBC medical drama ER and as River Song in the BBC science fiction series Doctor Who. 1 Early life.