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sagittal section |
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sagittal section,
an anteroposterior cross section produced by slicing, laterally or through imaging techniques, a body or body part in a vertical plane parallel to the median plane. section [sek´shun] 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.
section 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 histological sections of a specimen made in consecutive order and so arranged for the purpose of microscopic examination. trial section the gradual transverse cutting of a tissue or structure, usually to ascertain its composition or to limit the incision to only one component, e.g. scar tissue surrounding a nerve. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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