English dictionary of medical terms (90)
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- 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).
- 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.
- 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.
- No:1783 - vaccinia
(L., from vacca cow) the cutaneous and sometimes systemic reactions
associated with vaccination with smallpox vaccine.
- No:1784 - vagal
pertaining to the vagus nerve.
- No:1785 - vaginal
1. of the nature of a sheath; ensheathing. 2. pertaining to the
vagina. 3. pertaining to the tunica vaginalis testis.
- No:1786 - vagolytic
having an effect resembling that produced by interruption of
impulses transmitted by the vagus nerve; parasympatholytic.
- 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
- No:1788 - validity
1. the extent to which a measurement, test, or study measures what
it purports to measure. 2. occasionally, accuracy (q.v.).
- 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.
- No:1790 - variability
the state of being variable.
- 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.
- No:1792 - varicella
- No:1793 - varicose vein
an abnormal swelling and tortuosity especially of the superficial
veins of the legs.
- No:1794 - vascular
pertaining to blood vessels or indicative of a copious blood
- No:1795 - vasculitis
(L. vasculum vessel + -itis) inflammation of a vessel, angiitis.
- No:1796 - vasoactive
exerting an effect upon the calibre of blood vessels.
- No:1797 - vasoconstriction
the diminution of the calibre of vessels, especially constriction
of arterioles leading to decreased blood flow to a part.
- No:1798 - vasodilatation
a state of increased calibre of the blood vessels.
- 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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