Variola virus - ț̢
A species of ORTHOPOXVIRUS causing infections in humans. No infections have been reported since 1977 and the virus is now believed to be virtually extinct.
Synonyms : Smallpox Viruses, Variola viruses
Vas Deferens - ț̢
The excretory duct of the testes that carries SPERMATOZOA. It rises from the SCROTUM and joins the SEMINAL VESICLES to form the ejaculatory duct.
Synonyms : Deferens, Ductus, Deferens, Vas
Vasa Nervorum - ț̢
Blood vessels supplying the nerves.
Vascular Capacitance - ț̢
The measure of a BLOOD VESSEL's ability to increase the volume of BLOOD it holds without a large increase in BLOOD PRESSURE. The vascular capacitance is equal to the change in volume divided by the change in pressure.