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1. an act of cutting.
2. a cut surface.
3. a segment or subdivision of an organ.
abdominal section laparotomy; incision of the abdominal wall.
cesarean section delivery of a fetus by incision through the abdominal wall and uterus; see also cesarean section.
frontal section a section through the body passing at right angles to the median plane, dividing the body into dorsal and ventral parts.
frozen section a specimen cut by microtome from tissue that has been frozen; see also frozen section.
perineal section external urethrotomy.
sagittal section a section through the body coinciding with the sagittal suture, thus dividing the body into right and left halves.
serial s's histologic sections of a specimen made in consecutive order and so arranged for the purpose of microscopic examination.
any section through the perineum, either lateral or median lithotomy (operations of historical importance) or external urethrotomy.
per·i·ne·al sec·tion(per'i-nē'ăl sek'shŭn)
Any cutting through the perineum, either lateral or median lithotomy or external urethrotomy.