English dictionary of medical terms (90)

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[Multilingual]No:1780 - uveitis
an inflammation of part or all of the uvea, the middle (vascular) tunic of the eye, and commonly involving the other tunics (the sclera and cornea, and the retina).
[Multilingual]No:1781 - vaccination
(L. vacca cow) the introduction of vaccine into the body for the purpose of inducing immunity. Coined originally to apply to the injection of smallpox vaccine, the term has come to mean any immunizing procedure in which vaccine is injected.
[Multilingual]No:1782 - vaccine
(L. vaccinus) a suspension of attenuated or killed microorganisms (bacteria, viruses, or rickettsiae), administered for the prevention, amelioration or treatment of infectious diseases.
[Multilingual]No:1783 - vaccinia
(L., from vacca cow) the cutaneous and sometimes systemic reactions associated with vaccination with smallpox vaccine.
[Multilingual]No:1784 - vagal
pertaining to the vagus nerve.
[Multilingual]No:1785 - vaginal
1. of the nature of a sheath; ensheathing. 2. pertaining to the vagina. 3. pertaining to the tunica vaginalis testis.
[Multilingual]No:1786 - vagolytic
having an effect resembling that produced by interruption of impulses transmitted by the vagus nerve; parasympatholytic.
[Multilingual]No:1787 - vagotonia
(vagus + Gr. tonos tension + -ia) hyperexcitability of the vagus nerve; a condition in which the vagus nerve dominates in the general functioning of the body organs. It is marked by vasomotor instability, constipation, sweating, and involuntary motor spasms with pain.
[Multilingual]No:1788 - validity
1. the extent to which a measurement, test, or study measures what it purports to measure. 2. occasionally, accuracy (q.v.).
[Multilingual]No:1789 - valvula
(L., dim of valva) a small valve; once used in official nomenclature as a general term to designate a valve, such as in the heart, but in NA restricted to designation of a cusp of the aortic valve of the valve of the pulmonary trunk, or the valves of the anus, foramen ovale, navicular fossa, coronary sinus, inferior vena cava, or of the lymphatic vessels and veins.
[Multilingual]No:1790 - variability
the state of being variable.
[Multilingual]No:1791 - variation
in genetics, deviation in characters in an individual from those typical of the group to which it belongs; also, deviation in characters of the offspring from those of its parents.
[Multilingual]No:1792 - varicella
chicken pox.
[Multilingual]No:1793 - varicose vein
an abnormal swelling and tortuosity especially of the superficial veins of the legs.
[Multilingual]No:1794 - vascular
pertaining to blood vessels or indicative of a copious blood supply.
[Multilingual]No:1795 - vasculitis
(L. vasculum vessel + -itis) inflammation of a vessel, angiitis.
[Multilingual]No:1796 - vasoactive
exerting an effect upon the calibre of blood vessels.
[Multilingual]No:1797 - vasoconstriction
the diminution of the calibre of vessels, especially constriction of arterioles leading to decreased blood flow to a part.
[Multilingual]No:1798 - vasodilatation
a state of increased calibre of the blood vessels.
[Multilingual]No:1799 - vasomotor
(vaso- + L. motor mover) 1. affecting the calibre of a vessel, especially of a blood vessel. 2. any element or agent that effects the calibre of a blood vessel.
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