(n.) A bag made of silk or other light material, and filled with hydrogen gas or heated air, so as to rise and float in the atmosphere; especially, one with a car attached for aerial navigation.
(n.) A ball or globe on the top of a pillar, church, etc., as at St. Paul's, in London.
(n.) A round vessel, usually with a short neck, to hold or receive whatever is distilled; a glass vessel of a spherical form.
(n.) A bomb or shell.
(n.) A game played with a large inflated ball.
(n.) The outline inclosing words represented as coming from the mouth of a pictured figure.
(v. t.) To take up in, or as if in, a balloon.
(v. i.) To go up or voyage in a balloon.
(v. i.) To expand, or puff out, like a balloon.
Example Sentences:
(1) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
(2) A new balloon catheter has been developed for angioplasty.
(3) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
(4) In the case presented, overdistension of a jejunostomy catheter balloon led to intestinal obstruction and pressure necrosis (of the small bowel), with subsequent abscess formation leading to death from septicemia.
(5) Combined SEM and TEM examination of the endothelium of compressed segments revealed "craters" and "balloons", blebs and vacuoles, swollen mitochondria, dilated granular endoplasmic reticulum, and subendothelial edema.
(6) The complex problems have been successfully managed with novel guiding catheter shapes and ultralow profile balloons.
(7) This study compares the effects of 60 minutes of ischemic arrest with profound topical hypothermia (10 dogs) on myocardial (1) blood flow and distribution (microspheres), (2) metabolism (oxygen and lactate), (3) water content (wet to dry weights), (4) compliance (intraventricular balloon), and (5) performance (isovolumetric function curves) with 180 minutes of cardiopulmonary bypass with the heart in the beating empty state (seven dogs).
(8) The hemodynamic measurements and mitral valve area calculations were performed with and without balloon occlusion of the atrial septal puncture site.
(9) The balloon was then deflated, permitting blood reperfusion.
(10) In order to delineate the critical blood flow pattern during the Cushing response in intracranial hypertension, regional cerebral blood flow was measured with radioactive microspheres in 12 anesthetized dogs at respiratory arrest caused either by expansion of an epidural supratentorial balloon or by cisternal infusion.
(11) Segmentally enclosed thrombolysis (SET) was undertaken immediately after PTA, when a double balloon catheter was positioned with a balloon at each end of dilated segments.
(12) 2B7 mRNA levels in both carotid and aortic artery increase with age, and are elevated approximately 5-fold in the carotid artery 48 h after balloon angioplasty.
(13) Each study consisted of a 2-h control period followed by 4 h of increased lung microvascular pressure produced by inflation of a balloon in the left atrium.
(14) Intracoronary imaging after balloon angioplasty reveals that a significant amount of atheroma is still present, which may partly explain why the incidence of restenosis is high after percutaneous transluminal coronary angioplasty.
(15) Understanding of the physiologic parameters governing blood flow to the lower extremity is clearly useful in this day of interventional balloon angioplasty.
(16) Smooth muscle cells (SMCs) in balloon-injured rat carotid artery express tissue-type plasminogen activator (t-PA) at a time when they are migrating from the media to the intima.
(17) The orientation of the dilating balloon in the inlet and outlet portions of the left ventricle, change of the catheter-dilator is controlled due to a loop of the conductor connecting the right and left parts of the heart.
(18) We describe a premature infant with progressive worsening of unilateral PIE, which was successfully treated by selective bronchial balloon catheterization after failure of conservative management.
(19) Analysed were the results of surgical treatment, causes of the failure and early recurrence in 108 patients with retinal detachment in whom was performed an indentation of the sclera by means of a balloon (1st group--50) or by an episcleral implant (2d group--58).
(20) Modified liposomes and erythrocytes were perfused in situ through segments of bovine, rabbit, or human arteries partially denuded with a balloon catheter prior to perfusion.
Spherical
Definition:
(a.) Alt. of Spheric
Example Sentences:
(1) The authors have presented in two previous articles the graphic solutions resembling Tscherning ellipses, for spherical as well as for aspherical ophthalmic lenses free of astigmatism or power error.
(2) This lack of symmetry in shape and magnitude may be due to non-sphericity of the skull over the temporal region or to variations in conductivities of intervening tissues.
(3) As a consequence of deformation from spherical-to-cylindrical shape in the microvasculature, demands for increased surface membrane area leads to increases in surface membrane tension above critical levels for rupture, and the cancer cells are rapidly and lethally damaged.
(4) From the different shapes of the scattering curves of the native phosphofructokinase at pH 7.5 in the presence of 15 mM ATP and of the cross-linked tetramer or octamer, it can be inferred that the shapes of the protomers are different: in the presence of ATP the protomers are elongated, having an axial ratio of 1.8 to 2.0; the cross-linked state reveals a spherical protomer of radius 33.0 A, similar to that of the native enzyme at pH 7.5 in the presence of fructose 6-phosphate or fructose 1,6-bisphosphate.
(5) Equivalent viewing power (EVP), field of view, and working distance (WD) were calculated for 4 different magnifier equivalent powers, four magnifier-to-eye distances, and for uncorrected spherical ametropias varying from +20.00 to -20.00 D in 0.25 D steps.
(6) A sound source is commonly spherical, therefore solutions are found for the wave equation in spherical coordinates, giving a precise meaning to the 'azimuthal' and 'magnetic quantum number' analogy.
(7) One biliary stone showed cholesterol with spherical bodies of calcium carbonate and pigment.
(8) A simple method has been developed for fusing synaptic vesicles into spherical structures 20-50 micron in diameter.
(9) Anterior lenticonus is a rare condition, in which there is a conical or spherical protrusion of the anterior surface into the anterior chamber.
(10) These results suggest that the shapes of the two enzymes are more spherical in solution than the proposed structural model previously reported.
(11) Elementary spherical particles similar to those described in the mitochondria are found in isolated rat liver and spleen nuclear membranes.
(12) NF-L in 6 M-urea took the form of spherical particles with a diameter of about 12 nm.
(13) Later, melanocytes became spherical and had membrane bound, autophagosome-like compartments of pigment granules.
(14) Rotation time constants obtained from the dichroism decay are not consistent with a spherical shape, for either the holo- or core repressor.
(15) The mean spherical approximation (MSA) provides a simple and reliable method for computation of single ion activities.
(16) Neuron #1 contained large spherical electron-dense vesicles while neuron #2 contained smaller subspherical vesicles.
(17) The morphological unit of the regular array appeared to consist of four spherical subunits, each about 2 nm in diameter, which were arranged in a tetragonal pattern about 4.5 by 7.0 nm in dimension.
(18) These receptors were subdivided by their morphology in the next groups: pear-shaped receptors with capsule; capsuled spherical receptors located near vascular walls; ovoidal receptors with capsule and glomerular structure; simple or complex mace-shaped receptors without capsule.
(19) A simple closed-form solution is derived for a thin linearly elastic spherical model of the cornea.
(20) Levels of pregnenolone and progesterone in spherical pig blastocysts (near 4 and 15 microM respectively) exceeded respective levels in histotroph by about 400-fold.