vasa


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Related to vasa: vasa previa, vasa recta

vas

 [vas] (pl. va´sa) (L.)
vessel. adj., adj va´sal.
vas aber´rans
1. a blind tube sometimes connected with the epididymis; a vestigial mesonephric tube.
2. any anomalous or unusual vessel.
va´sa afferen´tia vessels that convey fluid to a structure or part.
va´sa bre´via short gastric arteries.
vas de´ferens ductus deferens.
va´sa efferen´tia vessels that convey fluid away from a structure or part.
va´sa lympha´tica lymphatic vessels.
va´sa prae´via the presentation, in front of the fetal head during labor, of the blood vessels of the umbilical cord where they enter the placenta.
va´sa rec´ta re´nis long U-shaped vessels arising from the efferent glomerular arterioles of juxtamedullary nephrons and supplying the renal medulla. Called also arteriolae rectae renis.
va´sa vaso´rum the small nutrient arteries and veins in the walls of the larger blood vessels.

va·sa

(vā'să),
Plural of vas.

DDX4

A gene on chromosome 5p15.2-p13.1 that encodes a protein which contains a conserved Asp-Glu-Ala-Asp (DEAD) motif; it is expressed only in the ovaries and testes, and in migratory primordial germ cells near the gonadal ridge in both sexes. It may play a role in sperm motility.

va·sa

(vā'să)
Plural of vas.

vasa

[L.] plural of vas.
References in periodicals archive ?
La principal complicacion de la vasa previa es su ruptura, lo que lleva a una hemorragia fetal aguda, choque hipovolemico, asfixia fetal y muerte perinatal (33).
La vasa previa es una complicacion obstetrica poco frecuente.
Poor perinatal outcome associated with vasa previa: is it preventable?
Vasa previa: a major complication and its management.
Antoine C, Young BK, Silverman F, Greco MA, Alvarez SR Sinusoidal fetal heart rate pattern with vasa previa in twin pregnancy.
Evaluation of chemical tests for fetal bleeding from vasa previa.
Vasa previa: case report, review and presentation of a new diagnostic method.
MRI in pregnancy; the diagnosis of vasa previa by magnetic resonance imaging.
Prenatal diagnosis of vasa previa presenting as amniotic band.
Vasa Previa: The impact of prenatal diagnosis on outcomes.