What's the difference between dissection and section?

Dissection


Definition:

  • (n.) The act of dissecting an animal or plant; as, dissection of the human body was held sacrilege till the time of Francis I.
  • (n.) Fig.: The act of separating or dividing for the purpose of critical examination.
  • (n.) Anything dissected; especially, some part, or the whole, of an animal or plant dissected so as to exhibit the structure; an anatomical so prepared.

Example Sentences:

  • (1) The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting system that removes tissue by vibration, irrigation and suction; fluid and particulate matter from tumors are aspirated and subsquently deposited in a canister.
  • (2) Limited biopsic retroperitoneal lymphnode dissection subsequently extended following the result of the frozen section histology.
  • (3) When the eye was dissected into anterior uveal, scleral, and retinal complexes, prostaglandin D2 was formed in the highest degree in all the complexes, whereas prostaglandin E2 and F2 alpha formation was specific to given ocular regions.
  • (4) Right orchiectomy and retroperitoneal lymph node dissection for embryonal carcinoma had been performed 5 years earlier.
  • (5) A case of dissecting hematoma involving the left main, left anterior descending, and left circumflex coronary arteries is described in a patient who had received vigorous closed-chest cardiac resuscitation.
  • (6) Further analysis of these changes according to smoking history, age, preoperative weight, dissection of IMA, and aortic cross-clamp time showed that only IMA dissection affected the postextubation changes in peak expiratory flow rate (p less than 0.0001), whereas the decreases in functional residual capacity and expiratory reserve volume at discharge were affected by IMA dissection (p less than 0.05) and age (p = 0.01).
  • (7) Moreover, the most recent combined application of the rat interstitial cell testosterone (RICT) bioassay and a novel multiple-parameter deonvolution model has allowed investigators to dissect plasma concentration profiles of bioactive LH into defined secretory bursts, which have numerically explicit amplitudes, locations in time, and durations, and are acted upon by determinable subject- and study-specific endogenous metabolic clearance rates.
  • (8) Fewer one-cell embryos co-cultured with dissected ampullae for less than 24 h developed to blastocysts than those co-cultured for more than 28 h (P < 0.001).
  • (9) A prospective randomized study was carried out to discover the influence of the timing of shoulder physiotherapy after-axillary dissection for breast cancer upon the incidence and duration of lymphatic fluid production and seroma after these operations.
  • (10) When the supraomohyoid neck dissection specimen showed no involvement, the overall incidence of treatment failure in the neck at 2-year follow-up was 5 percent.
  • (11) The ventral root dissection technique was used to obtain contractile and electromyogram (e.m.g.)
  • (12) To dissect the epitope specificity of the group-specific neutralizing antibodies, CD4 attachment site-specific antibodies (CD4-site Abs) were isolated from total anti-gp120 Abs by using a CD4-blocked gp120SF2-Sepharose column.
  • (13) The complete thyroid cartilage is dissected out, and then a horizontal cut is made through the cricoid cartilage.
  • (14) These findings demonstrate that heteroantisera can provide an additional important tool for dissecting the heterogeneity of T-cell leukemias and for relating them to more differentiated normal T cells.
  • (15) Under a dissecting microscope the vascular casts revealed direct communications from the skeletal muscle which penetrated deeply into the myocardium.
  • (16) A new method of anatomic dissection and image reconstruction using computer techniques for better understanding of eustachian tube (ET) functioning is presented.
  • (17) The authors recall the advantages of low transcartilage incision in rhinoplasty and, by means of several technical details, illustrate the value of this approach in submucosal dissection.
  • (18) On dissected mucosa stained by the PAS-alcian blue whole-mount method the density and distribution of goblet cells in various parts of the middle ear was determined in 13 children, ranging in age from 9 days to 14 years.
  • (19) We studied 36 patients (21 women and 15 men) with spontaneous dissection of the internal carotid arteries.
  • (20) Between March 1986 and September 1988, 38 patients underwent extended aortic resection (aortic valve, ascending aorta, and arch) for acute type-A aortic dissection with aortic valve insufficiency; deep hypothermia and circulatory arrest were used.

Section


Definition:

  • (n.) The act of cutting, or separation by cutting; as, the section of bodies.
  • (n.) A part separated from something; a division; a portion; a slice.
  • (n.) A distinct part or portion of a book or writing; a subdivision of a chapter; the division of a law or other writing; a paragraph; an article; hence, the character /, often used to denote such a division.
  • (n.) A distinct part of a country or people, community, class, or the like; a part of a territory separated by geographical lines, or of a people considered as distinct.
  • (n.) One of the portions, of one square mile each, into which the public lands of the United States are divided; one thirty-sixth part of a township. These sections are subdivided into quarter sections for sale under the homestead and preemption laws.
  • (n.) The figure made up of all the points common to a superficies and a solid which meet, or to two superficies which meet, or to two lines which meet. In the first case the section is a superficies, in the second a line, and in the third a point.
  • (n.) A division of a genus; a group of species separated by some distinction from others of the same genus; -- often indicated by the sign /.
  • (n.) A part of a musical period, composed of one or more phrases. See Phrase.
  • (n.) The description or representation of anything as it would appear if cut through by any intersecting plane; depiction of what is beyond a plane passing through, or supposed to pass through, an object, as a building, a machine, a succession of strata; profile.

Example Sentences:

  • (1) Standardization is possible after correction by the protein content of each individual section.
  • (2) The cross sectional area of the aortic lumen was gradually decreased while the length of the stenotic lesion gradually increased by using strips with different width.
  • (3) Serial sections of mouse foetal liver, during the 9th and 16th days of gestation, were studied.
  • (4) Multiple overlapping thin 3D slab acquisition is presented as a magnitude contrast (time of flight) technique which combines advantages from multiple thin slice 2D and direct 3D volume acquisitions to obtain high-resolution cross-sectional images of vessel detail.
  • (5) The diagnosis of anaplastic thyroid cancer, though suspected, was deferred for permanent sections in all cases.
  • (6) Limited biopsic retroperitoneal lymphnode dissection subsequently extended following the result of the frozen section histology.
  • (7) Serially sectioned rabbit foliate taste buds were examined with high voltage electron microscopy (HVEM) and computer-assisted, three-dimensional reconstruction.
  • (8) Lung sections of rats exposed to quartz particles were significantly different.
  • (9) There was however no difference in the cross-sectional studies and no significant deleterious effect detected of tobacco use on forearm bone mineral content.
  • (10) When the posterior capsule was sectioned, no significant changes were noted in the severity of the sag or the rotation.
  • (11) A similar interference colour appeared after incubating sections of rat skin with chymase.
  • (12) From these results it was concluded that FITC-Con A staining method applied to smear specimens is more advantageous in the rapidity and the simplicity for tumor cell diagnosis than section specimen method.
  • (13) The enzyme was quantitated by incubation of 16-micron-thick brain sections with 0.07-2 nM of the converting enzyme inhibitor 125I-351A and comparison to 125I-standards.
  • (14) At day 7 MD occupy about 14% area of posterior retina in transverse sections in Campbell rats versus 7% in normal animals.
  • (15) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
  • (16) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
  • (17) Females were killed at various times after the onset of mating or artificial insemination, oviducts were fixed and sectioned serially, and spermatozoa were counted individually as to their location in the oviduct.
  • (18) The lengths and heights of the scalae tympani in ten pairs of serially sectioned temporal bones were measured by an adaptation of the serial section method of cochlear reconstruction.
  • (19) Using a monoclonal antibody against dopamine and a rabbit antiserum against serotonin, 5-methoxytryptamine or tryptamine, we were able to achieve the simultaneous localization of two amines in glutaraldehyde-fixed sections of rat dorsal raphe nuclei.
  • (20) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.