What's the difference between micrometre and micrometry?
Micrometre
Definition:
Example Sentences:
(1) These particles of less than 2.5 micrometres in diameter can penetrate the lungs and pass into the bloodstream and have been linked to increased rates of chronic bronchitis, lung cancer and heart disease.
(2) The volume of cytoplasm occupied by electron-dense cored vesicles was significantly increased, whilst their density per square micrometre of cytoplasm was decreased during hypoxia.
(3) With regard to the disappearance of osteocytes in the bone cortex at the cut surfaces of bones, micrometric findings revealed that there was a great difference between the scalded and the unscalded side in every group except in the group where a Gigli's saw was used.
(4) In addition to visual examination and photographic evaluation of restorations, the micrometric assessment of replica photographs from the scanning electron microscope may render clinical trials of amalgam alloys measurable and less subjective.
(5) Our studies reveal the presence of an intact mesothelial lining of the arachnoid mater, including its villus-like projections and herniations into the dural sinus and its lacunae, adjacent cells being joined by tight junctions; in addition we have observed for the first time that many lining cells in the region of the superior sagittal sinus are characterized by unit membrane-bound, electron-optically empty giant vacuoles of several micrometres diameter.
(6) The layer thickness can be controlled and may range between some hundred nanometres and up to a few micrometres.
(7) changed morphology from rods of about 6 to 8 microns long to multicellular filaments (unsheathed trichomes) up to many hundreds of micrometres long with the addition of glycine or certain D-amino acids to the growth medium.
(8) In this context, microscopic and spectroscopic techniques, devised for problem solving, are being applied to frequently encountered sub-micrometre particulates which are 'unstable' with respect to methods of sample preparation and storage used routinely for particulates prior to analysis.
(9) Fifteen micrometres radiolabelled dextran spheres were injected into three adult monkeys; after measuring reference flows, the animals were killed and biopsies were taken from skin and 15 oral mucosal regions.
(10) (1) Formation of extensive contact zones (with a linear size of several micrometres) with tight intermembrane adhesion (more than 30% of the membrane contours in adhesive zones were separated by an apparent distance lower than 500 A) was essentially completed within less than one minute.
(11) In the past, researchers quantified spine density as the number of visible spines per estimated micrometre of dendrite.
(12) Morphological changes in the epidermis caused by aging and sun exposure were studied by light microscopy and micrometric techniques.
(13) On cooling the dispersion from the isotropic phase, we have observed the formation of long (of the order of hundreds of micrometres), thin (0.2-2 microns) filaments, which fluctuate strongly.
(14) The number of cell nuclei and the thickness of the media and intima were determined micrometrically along 8 radii of each cross-section.
(15) The device measures the threshold pressure required to produce bubbles from the micropipette submerged in a liquid and displays the tip inner diameter in micrometres.
(16) The incidence of occult nodal metastases was highest in patients with deeply invasive and micrometrically thick primary tumors.
(17) Methods were tested in four subjects using a micrometric procedure of Doppler probe displacement providing instantaneous real time velocity profiles.
(18) Perijunctional membrane had a Na+ current density 5- to 10-fold greater than the density several hundred micrometres from the end-plate.
(19) The scale of organization is a critical factor in the characterization of biosilicification processes, and order at the nanometre, micrometre and macroscopic levels is described.
(20) The authors report the case of a patient suffering from collagen colitis in whom the administration of omeprazole achieved the rapid and total abolition of the clinical signs and a significant reduction of the collagen band (measurements determined over 10 cryptic spaces using a graduated micrometric ocular microscope).
Micrometry
Definition:
(n.) The art of measuring with a micrometer.
Example Sentences:
(1) Quantitative cytophotometry and ocular filar micrometry were used to monitor T-2 toxin induced alterations in chromatin and neuronal nuclear volume in supraoptic-magnocellular neurons of rat hypo-thalami.
(2) Nuclear diameters of breast cancer cells obtained by aspiration cytology from 245 patients were measured by ocular micrometry.
(3) The width of retinal vessel images on fundus photographs was determined by projection micrometry and microdensitometry.
(4) Parameters included the pattern, major malignant criteria, and cell measurements by calibrated ocular micrometry.
(5) Data were obtained on changes in neuronal (perikaryal) RNA levels, protein contents and nucleolar volumes in cerebrocortical (layer III) and striatal (caudate-putamen) brain regions using quantitative azure B-RNA and Coomassie-protein cytophotometry and ocular filar micrometry.
(6) For each case we measured the nuclear diameters of 100 cancer cells by ocular micrometry and calculated the CV of the nuclear diameters.
(7) Ablation rates have been determined previously by either tissue perforation or by micrometry performed on histologic sections.
(8) Contraction was measured by scanning micrometry and cytosolic-free Ca++ ([Ca++]i) with the fluorescent indicator, quin2.
(9) In addition, ocular filar micrometry demonstrated increased neuronal nuclear volumes in all groups receiving T-2 toxin, and following an inverse trend to that seen with F-DNA stainability.
(10) The parameters include the pattern and morphology of the tumor cells, and their measurements by ocular micrometry.
(11) Electron microscopic examination and measurement of cell lengths by image-splitting micrometry were carried out after fixation with acrolein.
(12) Contraction was determined by image-splitting micrometry and expressed as the mean percentage decrease in cell length from control.
(13) These 8 muscle specimens were examined for histopathological changes, and muscle fibre diameters were measured by micrometry from paraffin sections.
(14) Analysis of serial transversal sections of muscular fibres and their micrometry confirm the reality of longitudinal splitting of the nuclei which is realized through several steps and depends on the degree of hypertrophy of muscular fibres.
(15) Significant differences were found in the vessel widths determined by the micrometry and densitometry methods, and results obtained by micrometry are discussed in terms of edge-detection phenomena.
(16) For projection micrometry, the intraobserver reproducibility of vessel width measurements was 1.6%-2.9%, depending upon the experience of the observer.
(17) The nuclear diameter of primary and metastatic mammary carcinoma cells, obtained by cytologic aspirates, was measured by ocular micrometry.
(18) Contractile responses, measured by image-splitting micrometry, were obtained repeatedly and reproducibly at intervals of 5 s-5 min for up to 3 h. Peak response in single cells was attained in 1.5-2 min by comparison with peak response in suspensions of muscle cells (0.5 min).
(19) The nuclear diameters (NDs) of randomly selected malignant cells from 35 cases of small-cell lung cancer (SCLC; 4,370 nuclei) and 31 cases of non-SCLC (NSCLC; 1,280 nuclei) were measured on the pretreatment tissue sections by ocular micrometry.
(20) The depth of thermal injury was determined by ocular micrometry.