(n.) An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass.
Example Sentences:
(1) ATP and deoxy-ATP, but not CTP, GTP, ITP, UTP, ADP, or cyclic AMP, promote Ca uptake; the KATP, is approximately 10 micrometer.
(2) At 5 micrometer and 2.5 mM sulphanilic acid under aerobic conditions, the regression lines for the permeation from lumen to blood pass almost through the origin, while the regression lines for the permeation from blood to lumen intersect the ordinate at a positive Y-value.
(3) The average length of the sarcomere in 5,34 micrometer for the non contracted muscle and 2,09 micrometer for the fully contracted muscle.
(4) Lipolysis stimulated by higher concentrations (0.3 and 3 micrometer) of NA was inhibited to a minor degree or not at all.
(5) The percentage inhibition of ATCase responds in a linear way to the logarithm of the concentration of PALA between 0.10 and 1.00 micrometer.
(6) To illustrate its potential for imaging ion currents through channels in membranes, a topographic image of a membrane filter with 0.80-micrometer pores and an image of the ion currents flowing through such pores are presented.
(7) Cortical lamination and parcellation of the anterogenual region in the human brain is studied in sections successively stained for nerve cells (15 micrometers), myelin sheaths (100 micrometers), and lipofuscin granules (800 micrometers).
(8) Under the same conditions the lowest thresholds for group Ib tendon organ afferents were about 40 micrometer.
(9) (d) It is shown that a high value of the cell-to-substrate gap may be accounted for by the presence of cell surface protrusions of a few micrometer length, in accordance with electron microscope observations performed on the same cell population.
(10) The bundle was confined to the medulla, and averaged 150-200 micrometer in width in the adult.
(11) This shows that there is an internal signal, but its range is short, only a few micrometers.
(12) In 17 pentobarbitalized dogs, the shunting of 15-micrometer and 9-micrometer microspheres was studied in the brain, myocardium, kidney, intestine, and lung.
(13) The plateau phase of Ca2+ was inhibited competitively by Mg2+ (0.5--50 mM) and non-competitively by Mn2+ (30 micrometer--1 mM), whereas the maximal contraction of Ca2+ was not inhibited by either ion.
(14) The intracellular distribution of ligandin and Z protein was studied by applying the peroxidase-antiperoxidase procedure of L. A. Sternberger (Immunocytochemistry, Prentice Hall Inc., 1974) to paraffin sections and free-floating 10-micrometers frozen sections that were processed for both light and electron microscopy.
(15) PVC particles in micrometer size range are very suitable as models to study persorbability in animals and the hematogenous dissemination of PVC particles.
(16) The mean thickness of epiphyseal plates form control rats was 430 micrometers (mum) which was reduced to 313 mum in hypoxic rats.
(17) These stones contained little cholesterol and exhibited a spongy microstructure characterized by small tubules with a diameter of 1 micrometer.
(18) Tracheobronchial deposition of inhaled particles in rabbit lung was studied after exposure to monodisperse aerosols 4--9 micrometer (aerodynamic diameter).
(19) Preliminary experiments have suggested that the swimmming speed of human sperm does not differ in flat capillary tubes of 200-micrometer and 400-micrometer depth.
(20) Type II neurons had multipolar or polygonal cell bodies, which measured an average 31 micrometer by 43 micrometer and emitted four to seven primary dendrites.
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).