A bacterial infection of the urinary tract, most often caused by the bacterium E. coli. They are more common in women than in men. They usually affect the bladder (cystitis), but ...
A type of surgery in which a small incision (cut) is made in the abdominal wall through which an instrument (a laparoscope) is placed to permit structures within the abdomen and ...
The time between dawn and sunrise, and between sunset and dusk. Sunlight scattered in the upper atmosphere illuminates the lower atmosphere, and the ...