Category: V

  • Vertical transmission

    Passage of disease from the mother to the fetus during the period of pregnancy. Transmission of a disease from one generation to another. Transmission of HIV infection (AIDS) from a mother to her offspring is vertical transmission. Horizontal transmission is from one individual to another in the same generation. In certain insects, trans-ovarial passage of…

  • Verruca vulgaris

    Common wart; caused by viral infection of the skin. The common wart, usually found on the backs of the hands and fingers; however, it may occur on any area of the skin.  

  • Vermilion border

    The pink-red border around the lips. The red boundary of the lips that represents the highly vascular, hyalinized, keratinized epithelial covering between the outer skin and the moist oral mucosa of the mouth.  

  • Ventriculoperitoneal shunt

    Surgical placement of tubing in the cerebral ventricle, tube has one-way valves to drain excess cerebrospinal fluid from the brain to treat hydrocephalus. A shunt connecting the ventricles of the brain to the peritoneum, used to treat hydrocephalus.  

  • Ventricular hypertrophy

    Pathological enlargement of the ventricles of the heart; often associated with valve disease, heart failure, or hypertension. Enlargement of the ventricular chambers of the heart, a common complication of hypertension and coronary artery disease. Treatment is of the underlying conditions and cardiac drugs which facilitate the working of the heart.  

  • Ventricular assist device

    A mechanical device that supports or replaces the function of the right or left ventricle of the heart in clients with severely diseased or nonfunctioning heart muscle.  

  • Ventral root

    The nerve tract that connects the spinal cord to motor neurons and transmits impulses to muscles, producing movement.  

  • Ventral ramus

    A branch of the spinal nerve that supplies nervous impulses to the lateral portions of the body wall, ribs, and perineum. The branch of a spinal nerve that carries motor axons to and sensory axons from all parts of the body except the deep (intrinsic) muscles of the back and their overlying skin.  

  • Ventral phimosis

    Stenosis of the penis prepuce.  

  • Venostasis

    Method of reducing the amount of blood returning to the heart by compression of veins in the periphery. The trapping of blood in an extremity by compression of veins, a method sometimes employed for reducing the amount of blood being returned to the heart.