(a.) To press together; to crowd; to straiten; to confine closely.
(a.) To restrain; to confine.
(a.) Pressed together; closely connected; -- applied to insects having the abdomen separated from the thorax only by a constriction.
Example Sentences:
(1) Comparison of developmental series of D. merriami and T. bottae revealed that the decline of the artery in the latter species is preceded by a greater degree of arterial coarctation, or narrowing, as it passes though the developing stapes.
(2) After early repair of congenital cardiovascular defects, such as coarctation of the aorta, late stenosis may become a problem.
(3) Long prosthetic graft was anastomosed in an end-to-side fashion to bypass the coarctated aorta.
(4) Twenty-four patients had uncomplicated ventricular septal defect, 2 had single ventricle, 5 had transposition of the great arteries, 5 had atrioventricular canal defects, and 2 had coarctation of the aorta and ventricular septal defect.
(5) Acute aortic dissection, aortic aneurysm formation and aortic valve disease complicate the surgical treatment of adult coarctation and hypertension may persist in as many as 50% of patients.
(6) The diagnosis based on physical ECG and X-rays was correct in only 42% of cases, and was most accurate in children with transposition of the great arteries, syndrome of Fallot, coarctation of the aorta and ventricular septal defects.
(7) The principal long-term complication is recurrence of the coarctation resulting from the absence of growth at the anastomosis.
(8) In the seven remaining patients, coarctation was excluded.
(9) Associated lesions were coarctation (n = 2) and patent ductus arteriosus (n = 2).
(10) In the remainder a wide spectrum of abnormalities was found such as prolapse of the mitral valve (in 13.6%), bicuspid aortal valve with a medium regurgitation (4.5%), hypoplasia of the coronary cusp of the aortal valve (4.5%), dilatation of the ascending aorta with a residual significant stenosis at the site after operation of coarctation of the thoracic aorta (4.5%), subaortal defect of the interventricular septum (4.5%) and slight left ventricular hypertrophy in patients with arterial hypertension (9.1%).
(11) We report an unusual case of association of aortic coarctation with a calcified thrombus at the site of coarctation.
(12) These were estimated 1. for stepwise aortic coarctation and 2. for aortic nerve stimulation under pressure clamp conditions.
(13) Five cases of coarctation were overlooked on the prenatal echocardiogram but these were found at follow up of the infants.
(14) Through our experience and a review, we have observed that neonates requiring coarctation repair, pulmonary artery banding, and patent ductus ligation are at high risk of expiring before reaching an age at which a difficult total repair is feasible.
(15) Values were expressed as the ratio between the kidney with the lower uptake and the contralateral one in 34 patients and as the ratio of the kidney counts to the injected dose in five patients with solitary kidneys, aortic coarctation, or both.
(16) An unusual post-coarctation mycotic aortic aneurysm that had eroded into the left main stem bronchus was identified and replaced with a Dacron graft.
(17) The post-mortem examination showed a lesion of the intima and media at the coarctation site, and it seemed that the adventitia alone was what prevented rupture of the vessel.
(18) In addition, aortic disorders such as acute dissection, coarctation and atherosclerotic disease could be delineated.
(19) Few data exist which address the significance of the Doppler gradient across a residual narrowing in older children who have had a coarctation repaired.
(20) The authors studied the immediate and late-term results of surgical treatment of aortic coarctation in patients after the age of 35 years.
Narrowed
Definition:
(imp. & p. p.) of Narrow
Example Sentences:
(1) The PSB dioxygenase system displayed a narrow substrate range: none of 18 sulphonated or non-sulphonated analogues of PSB showed significant substrate-dependent O2 uptake.
(2) Comparison of developmental series of D. merriami and T. bottae revealed that the decline of the artery in the latter species is preceded by a greater degree of arterial coarctation, or narrowing, as it passes though the developing stapes.
(3) This promotion of repetitive activity by the introduction of additional potassium channels occurred up to an "optimal" value beyond which a further increase in paranodal potassium permeability narrowed the range of currents with a repetitive response.
(4) In all immunized rabbits the antisera obtained with the 7 alpha-derivative had a higher affinity and a narrower specificity than the antiserum obtained with the 7 beta-derivative.
(5) That is, he believes, to look at massively difficult, interlocking problems through too narrow a lens.
(6) Photograph: AP Reasons for wavering • State relies on coal-fired electricity • Poor prospects for wind power • Conservative Democrat • Represents conservative district in conservative state and was elected on narrow margins Campaign support from fossil fuel interests in 2008 • $93,743 G K Butterfield (North Carolina) GK Butterfield, North Carolina.
(7) Their narrowed processes pass at a common site through the muscle layer and above this layer again slightly widen and project above the neighbouring tegument.
(8) These patients did not have narrow anterior chamber angles preoperatively, and several were aphakix with surgical iris colobomas.
(9) The linewidths of the methionine Cepsilon resonances are narrowed by increasing temperature according to an Arrhenius energy of activation of nearly 3 kcal.
(10) The detergent lauryl maltoside abolishes respiratory control and proton ejection by cytochrome c oxidase-containing proteoliposomes over a narrow concentration range.
(11) Per-rotational nystagmus was recorded in rabbits with unilaterally narrowed vertebral arteries or following unilateral cervical sympathectomies.
(12) However, the narrow range of the ED50 suggests relatively little variation in the response of the different isolates in vivo and similarly small variation was also noted in some of the tests in vitro.
(13) Eight patients had glaucoma only in one eye; three narrow-angle glaucoma, three primary open-angle glaucoma and two secondary glaucoma.
(14) In the fifth case the vein was too narrow to allow catheterization.
(15) It was found that within the dorsal part of the well known pressor area there is a narrow strip, 2.5 mm lateral from the mid line, starting ventral to the inferior colliculus and ending in the medulla close to the floor of the IV ventricle, from which vasodilatation in skeletal muscles is selectively obtained.
(16) Each border was within a region of 11 nucleotides and gave rise to a narrow size range (1248-1261 nucleotides) for the population of 22 subgenomic DNAs.
(17) These factors include narrowing of septal arteries and the artery to the atrioventricular node, preservation of fetal anatomy with dispersion in the atrioventricular node and His bundle, fibrosis of the sinus node, clefts in the septum, multiple atrioventricular pathways and massive myocardial infarction.
(18) Time suggests that the FBI inquiry has been extended from a relatively narrow look at alleged malpractices by News Corp in America into a more general inquiry into whether the company used possibly illegal strongarm tactics to browbeat rival firms, following allegations of computer hacking made by retail advertising company Floorgraphics.
(19) These three activities, appearing within a narrow range of molecular weights, different from those of other known lymphokines, suggest the existence of a distinct class of lymphokine mediators with the common function of influencing functional properties of tumor cells.
(20) The narrow intercellular ridge is smooth, whereas the epithelial cells have small cytoplasmic knobs between the cilia.