(n.) A triangular protection from the intrados of an arch, or from an inner curve of tracery.
(n.) The beginning or first entrance of any house in the calculations of nativities, etc.
(n.) The point or horn of the crescent moon or other crescent-shaped luminary.
(n.) A multiple point of a curve at which two or more branches of the curve have a common tangent.
(n.) A prominence or point, especially on the crown of a tooth.
(n.) A sharp and rigid point.
(v. t.) To furnish with a cusp or cusps.
Example Sentences:
(1) But at least one customer signalled that America's gun lobby might be on the cusp of a moment of introspection.
(2) Multiple determination of size, shape, and diameter of the left atrium were made during the control state and under conditions of varied ventricular outflow resistance in intact anesthetized dogs with markers chronically attached to the mitral annulus and the valve cusps.
(3) The edge of the valve leaflet and the other 2 cusps were intact.
(4) However, the height of the hypoconid, which was the highest in the lower molar cusps, showed almost the same mean value as the height of the upper three principal cusps, indicating that the height of the main functional cusp, in both upper and lower first molars, was almost the same.
(5) In lower second deciduous molars, the buccal margin of the cavity was positioned 1.7 mm medially to the summit of the distobuccal cusp and 1.2-1.3 mm medially to the summits of the other buccal cusps.
(6) A high origin of the right coronary artery or location of the left coronary artery adjacent to a pulmonary cusp or branch may complicate the tunnel-type repair.
(7) 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%).
(8) The ruptures and calcifications of the cusps were most commonly observed in commissure.
(9) The commonest cause of failure in young patients was calcification, while in older patients it was cusp rupture.
(10) The results indicate that the tongue-to-teeth contact area of each sound differ from the others, however, it's range is confined within cervical half of lingual surface of incisors and lingual cusps of molars.
(11) In the light of experience acquired in our Echocardiography Laboratory, we recommend, in accordance with data from the literature, the exclusive use of pulsed Doppler and measurement of valve orifices by two-dimensional imaging at the point of insertion of the aortic and sigmoid cusps as well as at the mitral ring.
(12) In 9 of 21 rats a fair or good result was observed, although it did not seem possible to create a fully competent valve with only one cusp blade in the 1.5-mm-diam caval veins.
(13) He underwent single cusp replacement in January 1967.
(14) Then the graft was cut longitudinally on the side of the non-coronary cusp so as to make operative procedure easier.
(15) Destruction of the cusps was seen in three cases and calcification of the cusps developed in three cases.
(16) In a small number of cases, the amount and type of cuspal movement and the degree of dye penetration was variable, depending on cavity design and the composite used, but generally cusp movement was unaffected by variation in cavity outline.
(17) Cardiac ultrasonography demonstrated multiple, central diastolic aortic valve cusp echoes consistent with a thickened, calcified, tricuspid aortic valve.
(18) In conclusion, transesophageal echocardiography and color flow Doppler are superior to transthoracic imaging in estimating bioprosthetic mitral, but not aortic regurgitation, in differentiating valvular from paravalvular regurgitation, and in demonstrating thickened valves due to cusp degeneration.
(19) The valve was composed of 4 cusps of different size and shape.
(20) In conclusion, TAV occurred more frequently at the noncoronary cusp than at the right or left coronary cusp.
Fossa
Definition:
(n.) A pit, groove, cavity, or depression, of greater or less depth; as, the temporal fossa on the side of the skull; the nasal fossae containing the nostrils in most birds.
Example Sentences:
(1) The 38 control fetuses had normal-appearing posterior fossae.
(2) These cases show that an examination of the whole neuraxis is as important in patients with midline posterior fossa cysts as it is in patients with developmental syringomyelia or Chiari I malformation.
(3) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
(4) In 5 of the 7 patients with an initially abnormal pituitary fossa, serial radiological studies revealed remodelling in 3.
(5) (b) abnormal morphologic of the glenoid fossa, mandibulars condyle and the neck of mandibula were seen.
(6) The blood flow velocity waveform recorded noninvasively from the brachial artery in the antecubital fossa was used as basis for quantitatively estimating a stroke flow index.
(7) This can be combined with a middle fossa approach in patients with a positive Schirmer's test.
(8) Because of the inherent limitations of computed tomography in the visualization of posterior fossa structures, MR imaging should be considered the initial screening procedure in the assessment of patients with trigeminal neuralgia.
(9) To identify the origin of scalp-recorded far-field negativity of short-latency somatosensory evoked potentials to median nerve stimulation (designated N18), direct records were made from the thalamus and ventricular system during 4 stereotaxic and 3 posterior fossa operations.
(10) Two term newborn infants born by frank breech delivery had posterior fossa hemorrhage diagnosed by CT scan within the first 72 hours of life and underwent successful surgical drainage of hematoma.
(11) Warts were confined to the lips in 27 (56%) of 48 patients with meatal warts; in an additional 5 patients with meatal warts the warts arose from deep in the fossa navicularis and in 16 patients with meatal warts there were additional warts in the fossa navicularis invisible on clinical examination.
(12) A comparative cephalometric and tomographic study prior to the treatment and after completion of the treatment revealed the following results: an improvement in the occlusal relationships due to both skeletal (an anterior mandibular displacement and an increase in the mandibular length) and dentoalveolar changes; it was possible to produce a growth stimulation of the mandibular condyle associated with a translation of the glenoid fossa by using an elastic activator; there was a direct correlation between the effects of the treatment and the age period of the patients (mixed dentition).
(13) Epistaxis was common in tumors of the ethmoid sinus and nasal fossae, while pain was related to lesions of the maxillary sinus.
(14) Eleven of 15 patients had middle cranial fossa involvement; cavernous sinus extension was observed in six patients.
(15) Stab wounds to the temporal fossa appear as a characteristic clinical entity.
(16) Our impression is that preoperative carotid artery occlusion and a middle fossa approach for tumor resection can be performed in a young patient with acceptable morbidity and at least short-term benefit.
(17) The other structures or regions that were involved, in decreasing order of frequency, were the sphenoid sinus (26.7%), nasal fossa (21.8%), and ethmoid sinus (18.3%).
(18) The association of an arachnoidal cyst in the middle cranial fossa with a subdural haematoma or intracystic bleeding is emphasised.
(19) At the same time the data are obtained on variations in topography of the chorda tympani at various form of the intratemporal fossa.
(20) A patent cochlear aqueduct indicated on computed tomography scan was found and repaired through a posterior cranial fossa approach.