Mindblown: a blog about philosophy.
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Vasospasm
Refers to a condition in which blood vessels spasm, leading to vasoconstriction and subsequently to tissue ischemia and death (necrosis). Sudden decrease in the size of a blood vessel. Spasmodic contraction of blood vessels. A muscle spasm causing the fingers to become cold, white and numb. The constriction or narrowing of blood vessels as a…
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Vasodilatory
Causing the widening of the lumen of blood vessels.
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Vasodilator
Drug that causes dilation or relaxation of blood vessels. Relaxes and widens blood vessels. A substance that causes an increase in the internal diameter of blood vessels. Agent that dilates the blood vessels and so improve circulation. Drug or agent causing relaxation and expansion of the blood vessels. An agent that encourages the relaxation of…
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Vasa vasorum
Is a network of small blood vessels that supply large blood vessels. plur. vasa vasori. Minute blood vessels in the walls of larger arteries and veins. The tiny arteries and veins that supply the walls of blood vessels. Minute blood vessels that are distributed to the walls of the larger veins and arteries.
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Varicose veins
Enlarged and twisted veins that can occur anywhere in the body, but are most common in the legs. Swollen, tortuous vein with abnormally functioning valves. It is a common condition, usually affecting the veins of the legs; it is more common in women than men and often associated with congenitally weak valves, pregnancy, obesity, or…
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Variola
Or smallpox, a contagious disease unique to humans, caused by either of two virus variants, Variola major and Variola minor. The disease is characterised by fever, weakness and skin eruption with pustules that form scabs that leave scars.
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Vagus nerve
A cranial nerve, that is, a nerve connected to the brain. The vagus nerve has branches to most of the major organs in the body, including the larynx, throat, windpipe, lungs, heart, and most of the digestive system. Cranial nerve that is extremely long, extending from the brain stem all the way to the internal…
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Vagotomy
The surgical cutting of the vagus nerve to reduce acid secretion in the stomach. A surgical operation to cut through the vagus nerve which controls the nerves in the stomach, as a treatment for peptic ulcers. Cutting of branches of the vagus nerve, usually performed with stomach surgery, to reduce the secretion of gastric juice…
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Uterus
The small, hollow, pear-shaped organ in a woman’s pelvis. This is the organ in which a fetus develops. Also called the womb. The hollow organ in a woman’s pelvic cavity, behind the bladder and in front of the rectum in which the embryo develops before birth. Womb; vessel that houses the embryo and developing fetus.…
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Uterotrophic
Causing an effect on the uterus.
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