Mindblown: a blog about philosophy.
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Vitrectomy
A surgical procedure that removes the contents of the vitreous chamber of the eye. A surgical operation to remove some or all of the vitreous humour of the eye. Removing the vitreous humor and replacing it with a synthetic substitute. A surgical procedure in which the normally clear, jellylike liquid (vitreous) inside the eye is…
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Ventricular Shift
Lateral movement of one of the ventricles of the brain to one side caused by pressure on the other side.
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Venom
Poison secreted by an animal. A poisonous fluid secreted by some snakes, spiders, or scorpions. A poison in the bite of a snake or insect. Toxic fluid secreted by some snakes and other animals and transmitted in their bites or stings. Some venoms produce local irritation and swelling at the site of the bite or…
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Urothelium
Transitional epithelium in the wall of the bladder. The endothelium that lines the urinary tract, extending from the renal calyces, through the ureters, to the urinary bladder. Distention of the ureter with urine caused by stricture or obstruction. The inner lining of the urinary tract encompasses several vital structures, including the renal pelvis, ureters, bladder,…
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Urodynamics
Study of the mechanics of urinary bladder, filling and emptying liquid. The active changes which occur during the function of the bladder, urethral sphincter and pelvic floor muscles. Diagnostic procedures that measure changes in pressure inside the bladder with volume over time. The measurement of the pressures within the urinary bladder as well as the…
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Ultrasound diathermy
Medical diathermy (heating of body tissue) using ultrasound.
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Ultrasonography
Imaging deep structures of the body using high-frequency sound waves. The visualization of deep structures of the body through the recording of high-frequency sound waves directed into tissues, ultrasound device. The procedure of passing ultrasound waves through the body and recording echoes which show details of internal organs. Process by which the reflection of high-frequency…
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Tzanck test
Diagnostic test that examines the tissue of a lesion to determine the type of cell present. The examination of cells scraped from the lower surface of a vesicle to determine the underlying disease (e.g., infection with a herpesvirus).
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Trousseau’s phenomenon
Sign in which pressure applied to the upper arm produces muscular spasms, indicating latent tetany.
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Triiodothyronine (T3)
A hormone that helps regulate growth and development, metabolism, and body temperature. One of the two hormones that are secreted by the thyroid gland and are responsible for controlling the metabolism of the body. Although available in pill form, it is not usually prescribed for patients with hypothyroidism because it does not provide as good…
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