What's the difference between composition and histology?

Composition


Definition:

  • (n.) The act or art of composing, or forming a whole or integral, by placing together and uniting different things, parts, or ingredients.
  • (n.) The invention or combination of the parts of any literary work or discourse, or of a work of art; as, the composition of a poem or a piece of music.
  • (n.) The art or practice of so combining the different parts of a work of art as to produce a harmonious whole; also, a work of art considered as such. See 4, below.
  • (n.) The act of writing for practice in a language, as English, Latin, German, etc.
  • (n.) The setting up of type and arranging it for printing.
  • (n.) The state of being put together or composed; conjunction; combination; adjustment.
  • (n.) A mass or body formed by combining two or more substances; as, a chemical composition.
  • (n.) A literary, musical, or artistic production, especially one showing study and care in arrangement; -- often used of an elementary essay or translation done as an educational exercise.
  • (n.) Consistency; accord; congruity.
  • (n.) Mutual agreement to terms or conditions for the settlement of a difference or controversy; also, the terms or conditions of settlement; agreement.
  • (n.) The adjustment of a debt, or avoidance of an obligation, by some form of compensation agreed on between the parties; also, the sum or amount of compensation agreed upon in the adjustment.
  • (n.) Synthesis as opposed to analysis.

Example Sentences:

  • (1) The resulting dose distribution is displayed using traditional 2-dimensional displays or as an isodose surface composited with underlying anatomy and the target volume.
  • (2) The urine compositions of the European mole Talpa europaea and of the white rat Rattus norvegicus (albino) kept on a carnivore's diet were compared.
  • (3) To determine the influence of cetylpyridinium chloride (CPC) adsorption on the wettability and elemental surface composition of human enamel, with and without adsorbed salivary constituents, surface-free energies and elemental compositions were determined.
  • (4) Abruptly changing cows from one feeding system to another did not influence milk yield, milk composition, or body weight gain.
  • (5) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
  • (6) Protein composition was determined in mesenteric lymph chylomicrons from fat-fed rats.
  • (7) In vitro transcription products were analyzed for their 5' end sequences and their oligonucleotide compositions.
  • (8) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
  • (9) With better understanding of metabolic and compositional requirements, great advances have been made in the area of total parenteral nutrition.
  • (10) The usefulness of the proposed method is obvious in cases where the composition of a precipitate on LM scale is to be compared with the LM appearance of the surrounding tissue.
  • (11) This study examined the association between diet composition, particularly dietary fat intake, and body-fat percentage in 205 adult females.
  • (12) The specific rates of degradation of L-arginine-AMC, gly-proline-AMC, N-alpha-benzoyl-L-arginine-AMC and N-[p-toluene-sulphonyl]gly-pro-arginine-AMC were significantly greater in that group, indicating that the composition of their gingival crevicular fluid was different from that of the gingivitis group.
  • (13) Variations in light chain composition, particularly fast and slow myosin light chain 1, appeared to occur independently of the variations in heavy chain composition, suggesting that some myosin molecules consist of mixtures of slow- and fast-type subunits.
  • (14) Changes in the plasma lipid composition are observed in patients and animals with malignancy and certain other diseases that are consistent with peroxidation of plasma lipoprotein lipids.
  • (15) These two crystallins were compared with respect to their native molecular masses, subunit structures, peptide mapping and amino acid compositions in order to establish the identity of each crystallin.
  • (16) Essential characteristics of the composite bone cement included a homogeneous and uniform fiber distribution, and a minimal increase in apparent viscosity of the polymerizing cement.
  • (17) Histochemical and immunocytochemical staining of the outgrowths with reagents that depict epithelial, myoepithelial, and lactating alveolar cells (peanut lectin alone, monoclonal and polyclonal antibodies to rat caseins) indicate similar cell compositions and arrangements for all outgrowths irrespective of their source; these are also similar to the mammary glands of the perphenazine-stimulated or lactating hosts.
  • (18) The PC modification was affected by the fatty acid composition of the exogenous PC species.
  • (19) Intrinsic bending of the 527-bp fragment (bend center approximately at bp 240) was represented as a composite of at least two components located near bp 170 and near bp 260.
  • (20) It is inferred that in this experimental model (1) high-density lipoproteins are probably excreted in the glomerular filtrate, (2) alterations in the composition of the excreted lipoproteins may occur during their passage through the nephron.

Histology


Definition:

  • (n.) That branch of biological science, which treats of the minute (microscopic) structure of animal and vegetable tissues; -- called also histiology.

Example Sentences:

  • (1) By presenting the case history of a man who successively developed facial and trigeminal neural dysfunction after Mohs chemosurgery of a PCSCC, this paper documents histologically the occurrence of such neural invasion, and illustrates the utility of gadolinium-enhanced magnetic resonance scanning in patient management.
  • (2) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
  • (3) The angiographic appearances are highly characteristic and equal in value to a histological diagnosis.
  • (4) By combined histologic and cytologic examinations, the overall diagnostic rate was raised to 87.7%.
  • (5) Histological studies showed that the resulting pancreatitis was usually mild to moderate, being severe only in association with sepsis.
  • (6) The histological pattern of tumor was identified in 28 cases.
  • (7) Histological studies of nerves 2 years following irradiation demonstrated loss of axons and myelin, with a corresponding increase in endoneurial, perineurial, and epineurial connective tissue.
  • (8) Nine months later, the animals were sacrificed, the esophagus and the gastric stump were removed for histologic examination.
  • (9) It was the purpose of the present study to describe the normal pattern of the growth sites of the nasal septum according to age and sex by histological and microradiographical examination of human autopsy material.
  • (10) Limited biopsic retroperitoneal lymphnode dissection subsequently extended following the result of the frozen section histology.
  • (11) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
  • (12) In 14 of the patients the imaging results were checked against the histological findings of a subsequent thymectomy, which revealed four thymomas and (with the exception of one normal thymus) hyperplastic changes in all the others.
  • (13) All masses had either histologic confirmation (n = 11) or confirmation with other imaging modalities (n = 4).
  • (14) The vulvar white keratotic lesions which have been subjected to histological examination in Himeji National Hospital (1973-1987) included 13 cases in benign dermatoses, 4 cases in vulvar epithelial hyperplasia, 3 cases in lichen sclerosus, and 3 cases in lichen sclerosus with foci of epithelial hyperplasia.
  • (15) The histological examination showed actinomycotic brain absess.
  • (16) Of 185 with readable histology, 14.6% were clinically and histologically abnormal; 19.5% were clinically abnormal but histologically normal; and 15.7% were clinically normal and histologically abnormal.
  • (17) The tentative diagnosis "neurinoma of the hypoglossal nerve" was confirmed intraoperatively and histologically.
  • (18) Histologic examination of the anterior and posterior chambers and the vitreous led to a diagnosis of endophthalmitis caused by Coccidioides immitis infection.
  • (19) In each case, the roentgenologic diagnosis was confirmed by histological examination.
  • (20) Histological and electron-microscopic study of the lungs of 15 patients who had been treated with bleomycin for advanced squamous cell carcinoma demonstrated marked histological changes in nine.