Category: V
-
Visceral sense
The subjective perception of the sensations of the internal organs.
-
Vaginal section
Incision into the abdominal cavity through the vagina.
-
Velopharyngeal seal
A seal between the oral and nasopharyngeal cavities.
-
Vascular ring
A congenital abnormality in which an arterial ring encircles the trachea and esophagus. This causes signs of compression of their structures. Surgery may be required to relieve the symptoms.
-
Vitamin D refractory rickets
A rare form of rickets that is not caused by vitamin D deficiency and is thus not responsive to vitamin D treatment. It is caused by a defect in renal tubular function that results in excessive loss of phosphorus.
-
Ventricular rhythm
The pace and synchrony of ventricular depolarization.
-
Vertebral rete
One of two plexuses within the vertebral canal that extends from the foramen magnum to the coccyx. These retia lie posteriorly and laterally to the dura and between the dura and the arches of the vertebrae.
-
Vocal restoration
The technology used to improve speech in a patient who has had a laryngectomy.
-
Vicarious respiration
Increased respiration in one lung when respiration in the other is lessened or abolished.
-
Vesicular resonance
The resonance obtained by percussion of normal lungs.