释义 |
DictionarySeecoronalEncyclopediaSeeSectioncoronal section
cor·o·nal sec·tiona cross-section attained by slicing, actually or through imaging techniques, the body or any part of the body or any anatomic structure in the coronal or frontal plane, that is, in a vertical plane perpendicular to the median or sagittal plane. Given that actual sectioning in the coronal plane results in an anterior and a posterior portion, an anatomic coronal section may be a two-dimensional view of the cut surface of the posterior aspect of the anterior portion, or of the anterior aspect of the posterior portion. Synonym(s): frontal sectionsection (sek'shon) [L. sectio, a cutting] 1. The act of cutting.2. A division or segment of a part. See: plane for illus 3. A surface made by cutting.4. In radiology, a slice. See: sliceabdominal sectionLaparotomy.cesarean section See: cesarean sectioncoronal sectionFrontal section.cross sectionA section perpendicular to the long axis of an organ.frontal sectionA section dividing the body into two parts, dorsal and ventral. Synonym: coronal sectionfrozen sectionA thin piece of surgically obtained tissue frozen to permit rapid examination of the specimen under the microscope by a pathologist. The specimen is usually obtained intraoperatively, while the patient is still anesthetized. The surgeon's further action (such as to operate, to obtain clear margins, or to close the incision) is influenced by the findings. ground sectionA section of bone or tooth prepared for histological study by polishing until thin enough for microscope viewing.longitudinal sectionA section parallel to the long axis of an organ.midsagittal sectionA section that divides the body into right and left halves.paraffin sectionA section of a tissue that has been infiltrated with paraffin.perineal sectionAn external incision into the urethra to relieve stricture.Pitres section See: Pitres sectionsagittal sectionA section cut parallel to the median plane of the body.serial sectionAny of several microscopic sections made and arranged in consecutive order.vaginal sectionA surgical incision of the vagina.FinancialSeesection |