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 (sĕm′ē-lo͞o′nər, sĕm′ī-)
Shaped like a half-moon; crescent-shaped.


(ˌsɛmɪˈluːnə) or


shaped like a crescent or half-moon


(ˌsɛm iˈlu nər, ˌsɛm aɪ-)

shaped like a half-moon.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.semilunar - resembling the new moon in shape
rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"
References in periodicals archive ?
Most of the teeth possess cusps gradually arranged in their height and a semilunar, arched base with a short lingual part.
A study of autopsy specimens of normal hearts concluded that, in both genders, all indexed mean valve circumferences progressively increased throughout adult life, and this trend was greater for the semilunar valves than the atrioventricular valves.
Tunicas y tocados son los indicadores mas claros de lo anterior, pudiendo distinguirse seis tipos de vestimentas (trapezoidal, rectangular, cuadrada, concava, convexa y circular) y siete tipos de tocados (trapezoidal recto, trapezoidal curvo, semilunar, tumiforme, triangular, rectangular y de lados curvos), delatando por si mismos la alta significancia que tuvieron como sistema visual de diferenciacion entre las distintas unidades sociales interactuantes que hicieron uso de esta via (Figura 14).
The nadirs of attachment of the aortic valve leaflets into the wall of the root in a semilunar fashion gives rise to virtual three-dimensional (3D) ring called as aortic annulus (10, 11).
Las PMO mas usadas comunes son la osteotomia proximal semilunar, la osteotomia de Ludloff, la osteotomia proximal de Chevron, la osteotomia proximal en cuna de abertura y la osteotomia proximal en cuna de cierre (Figura 2) (25,29,38).
El ombligo es la unica cicatriz del humano considerada como estetica, el tratamiento quirurgico clasico de la hernia umbilical (HU) es a traves de una incision semilunar por debajo del ombligo, siendo sus resultados de cicatrizacion poco esteticos.
SH, also known as hernia of semilunar line, is the protrusion of preperitoneal fat, peritoneal sac or intraabdominal organs through a congenital or acquired defect in the Spigelian zone.
11) The pulmonic valve has 3 semilunar cusps and prevents regurgitation from the pulmonary trunk into the right ventricle during diastole.
Spawning throughout the species range occurs with semilunar periodicity, and eggs are deposited in discrete areas in the upper intertidal reaches of salt marshes (Middaugh, 1981; Middaugh et al.
The standard operative technique involves removal of both donor and recipient hearts at the midatrial level, preserving the multiple pulmonary venous connections to the recipient's left atrium with the great vessels resected just above the semilunar valves.
5) SSEH, which is usually biconvex shaped, should be differentiated from subdural hematomas, which normally appears as a semilunar lesion.