What's the difference between crescent and semilunar?

Crescent


Definition:

  • (n.) The increasing moon; the moon in her first quarter, or when defined by a concave and a convex edge; also, applied improperly to the old or decreasing moon in a like state.
  • (n.) Anything having the shape of a crescent or new moon.
  • (n.) A representation of the increasing moon, often used as an emblem or badge
  • (n.) A symbol of Artemis, or Diana.
  • (n.) The ancient symbol of Byzantium or Constantinople.
  • (n.) The emblem of the Turkish Empire, adopted after the taking of Constantinople.
  • (n.) Any one of three orders of knighthood; the first instituted by Charles I., king of Naples and Sicily, in 1268; the second by Rene of Anjou, in 1448; and the third by the Sultan Selim III., in 1801, to be conferred upon foreigners to whom Turkey might be indebted for valuable services.
  • (n.) The emblem of the increasing moon with horns directed upward, when used in a coat of arms; -- often used as a mark of cadency to distinguish a second son and his descendants.
  • (a.) Shaped like a crescent.
  • (a.) Increasing; growing.
  • (v. t.) To form into a crescent, or something resembling a crescent.
  • (v. t.) To adorn with crescents.

Example Sentences:

  • (1) Histopathological observations demonstrated that OB-5 inhibited the incidence of crescent formation, adhesion and fibrinoid necrosis in the glomeruli by the 41st day.
  • (2) NGOs and even the Red Crescent are unwelcome: peacekeepers are rebuffed, hospitals doomed to failure.
  • (3) ANCA-associated vasculitides can be categorized into a number of distinctive clinicopathologic categories, eg, Wegener's granulomatosis, Churg-Strauss syndrome, pulmonary renal syndrome, microscopic polyarteritis nodosa, leukocytoclastic angiitis, and necrotizing and crescentic glomerulonephritis.
  • (4) The second renal biopsy revealed cellular crescents with linear IgG deposition along GBM, a finding similar to the first one.
  • (5) The purpose of this experimental investigation was to quantify and evaluate the results of different microsurgical techniques in crescentic resection of a corneal wedge.
  • (6) In CT diagnosis for this type of dissection, cautions should be employed not only in an inhomogenous density area in the mediastinum and pleural cavity but also in the presence of deviation of intimal calcification and relatively high density area of crescent shape in aortic wall on plain CT.
  • (7) Crescent-shaped Balbiani's vitelline body consists of ribonucleoproteins, lipoproteins, and phospholipids.
  • (8) There is a crescent-shaped low density area extending forward from the high density area.
  • (9) The size and the angular tilt of the dark crescent appearing in the subject's pupil are derived as a function of five variables: the ametropia of the eye (Dsph, Dcyl, axis), the eccentricity of the flash, e, and the distance of the camera from the subject's eye, dc.
  • (10) Air crescent signs were seen in 40% of patients during or after bone marrow restitution.
  • (11) Coffee bean shaped or crescent shaped yeast-like elements are characteristic of Trichosporon and useful in differentiating Trichosporon from Candida but such histological features are less efficient than the immunohistochemistry in identifying mixed fungal infection.
  • (12) In group 1, predominant infiltration of macrophages and cellularly crescents were obtained in the glomeruli 7 days after the administration of the cultivated cells.
  • (13) On the other hand, when BC were ruptured, mononuclear inflammatory cells, mainly LeuM3+ and IoT15+ cells accompanied by significant number of T4+ and T8+ cells, constituted the glomerular crescents.
  • (14) There was a significant correlation between the intensity of each C3c and C9 deposition in glomeruli and the degree of glomerular adhesion to Bowman's capsules and crescent formation in patients with IgA nephropathy.
  • (15) The Libyan Red Crescent (LRC) is really one of the few actors left on the ground, along with a handful of national NGOs.” “The LRC volunteers are doing a fantastic job despite the difficult and challenging environment but at some point they will need support,” he said, adding that assessments were ongoing and a potential deployment by federation members from Tunisia was under consideration.
  • (16) Even though the Xenopus egg does not form a classical gray crescent, due to its particular pigment distribution, the reorganization process which specifies the future embryonic axis resembles that of the Rana egg.
  • (17) The shapes of false lumina assessed by enhanced CT scans at the time of discharge were categorized in three types; 21 patients (group A) without false lumina of the aorta, or with a small crescentic false lumen in the thoracic aorta (type a), six patients (group B) with intimal flaps and two contrast-material-filled lumina in the thoracic aorta (type b), and nine patients (group C) with expanded false lumina or a false lumen whose margin was convex towards a true lumen in the thoracic aorta (type c).
  • (18) In living spores posterior vacuole crescentic, in fixed ones it is strongly deformed together with hind pole of spores.
  • (19) These are the interstitial bodies, which are aggregates of extracellular material, and a kind of fibril or tubule, embedded in a fibronectin matrix and mainly found in the endophyllic crescent.
  • (20) This density was crescent-shaped in longitudinal sections, and a continuous band in cross-sections.

Semilunar


Definition:

  • (a.) Shaped like a half moon.
  • (n.) The semilunar bone.

Example Sentences:

  • (1) Emergency CT showed evidence of pericardial effusion suggesting hemopericardium, enlargement of the ascending aorta and a peripheral semilunar filling defect which caused a slight deformation of the true channel.
  • (2) The quail-chick chimera method was used to examine whether neural crest cells were associated with the formation of semilunar valves.
  • (3) A case of aortic insufficiency due to avulsion of two of three semilunar valves was remarkable because of the intimal and medial tears which caused it.
  • (4) A light and transmission electron microscopical study of 6 to 8 months old rabbit semilunar cartilages has shown that the cells in this tissue resemble chondrocytes more than fibroblasts.
  • (5) Development of an aorta and pulmonary trunk with tricuspid semilunar valves appears to be contingent on the appearance of separate entwined ventricular ejection streams.
  • (6) Most of our tricusp semilunar valves are made of polyurethane.
  • (7) The anatomical relations of the semilunar notch of the ulna were studied in radiographs, taken in a strict lateral view, from 100 patients with elbow dislocations.
  • (8) A supernumerary valvula of the pulmonary semilunar valve was found in a 51-year old, male Japanese.
  • (9) With advancing gestation, the heart rate decreased, the diastolic filling period of both atrioventricular valves increased, and the systolic ejection time of both semilunar valves remained unchanged.
  • (10) The "dangerous zones" are situated at the base of the right-side surface of the interatrial septum above the fibrous ring of the septal cusp of the tricuspid valve, along the base of the membranous segment of the interventricular septum, in front of the posterior fibrous triangle, and at the fibrous ring encircling the bases of the posterior and right aortic semilunar valves.
  • (11) It is the result of either a casting-off of the semilunar ganglion cells into the cavernous sinus or a transformation of several cells into polyhedral cells with an epithelial-like organization, a process which immediately precedes their further degeneration.
  • (12) The study showed that echocardiography makes it possible to calculate the size of the semilunar valves quite precisely.
  • (13) Our results show that during semilunar valve development a series of elements arise and are organized in the ECM which seem to be more closely related to the maintenance of the structural and biomechanical properties of the valvular leaflets than with morphogenetic processes per se.
  • (14) Recent ultrastructural studies have revealed that there are differences in endothelial cell shape and cytoskeletal architecture between the arterial and ventricular faces of developing semilunar valves.
  • (15) In the medial dorsolateral portion of the semilunar ganglion of curarized and anaesthetized lambs a cellular pool has been identified which contains the perikarya of the first-order neurons of the eye muscle proprioception.
  • (16) Although neural crest cells have been thought to have no association with the formation of the semilunar valves, our experiment indicates that such association indeed occurs.
  • (17) The actuarial incidence of significant tricuspid incompetence following annuloplasty was 12% at 3 years, and following stented homograft semilunar valve replacement was 6% at 3 years and 24% at 8 years.
  • (18) Similar differences, though less marked, were found also in neurosecretory cells of the nucelus supra-opticus of the rat and in the nuclear region of the ganglion semilunare Gasseri cells in man.
  • (19) The right outflow tract sulcus appears to be of importance in contributing to the final cardiac topography where interatrial, atrioventricular, interventricular, and outflow tract sulci meet and where the junction of atrioventricular and semilunar valve rings occurs.
  • (20) Congenital hyperlaxity, a shallow semilunar notch and traumatic sequelae after previous dislocations reduce joint stability.

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