Category: U
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Urokinase
A drug that dissolves blood clots or prevents them from forming. A thrombolytic (i.e., clot-dissolving) enzyme used as a biopharmaceutical. An enzyme in human urine. An enzyme formed in the kidneys, which begins the process of breaking down blood clots. Enzyme produced in the kidney that activates fibrinolysis. A urokinase preparation is used in the…
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Urogenital
Pertaining to the urinary and genital apparatus; genitourinary. The urinary and genital systems. Referring to the urinary and genital systems. An adjective relating to the organs and tissues involved in the anatomically closely related functions of excretion and reproduction. During embryonic development, both the urinary system and the reproductive organs originate and form in close…
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Urine
Fluid containing water and waste products. Urine is made by the kidneys, stored in the bladder, and leaves the body through the urethra. Liquid waste that has been removed from the blood by the kidneys and transported to the urinary bladder by the ureters. A yellowish liquid, containing water and waste products, mainly salt and…
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Urinary tract infection
An illness caused by harmful bacteria growing in the urinary tract. A bacterial infection of any part of the urinary system. Symptoms are usually a need to urinate frequently and pain on urination. Any infection of any of the organs of the urinary system; more common in women than in men and most often caused…
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Urinary tract
The organs of the body that produce and discharge urine. These include the kidneys, ureters, bladder, and urethra. The kidneys and the lower urinary tract, which includes the ureters, bladder, and urethra. The set of tubes down which the urine passes from the kidneys to the bladder and from the bladder out of the body.…
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Ureters
Tubes that carry urine from the kidneys to the bladder. The tube that connects the kidneys with the urinary bladder through which urine is transported.
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Urea
A compound (CO(NH2)2), formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids. The end-product of nitrogen metabolism, excreted in the urine. Chief nitrogenous constituent of urine. The chief end product of protein…
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Uracil
An anticancer drug that belongs to the family of drugs called alkylating agents. A pyrimidine base important as a component of ribonucleic acid (RNA). Its hydrogen-bonding counterpart in DNA is thymine. Pyrimidine base used in DNA. Nitrogen-containing base found in ribonucleic acid (RNA). One of the nitrogen-containing bases occurring in the nucleic acid RNA. A…
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Unguis
The inelastic, translucent, horny plate formed of flat cornified epidermal cells. A nail on a finger or toe.
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Unconscious
Experience which was once conscious, but was subsequently rejected, as the “personal unconscious”. That part of memory and mental functioning that is rarely subject to awareness. It is a repository for data that have never been conscious (primary repression) or that may have been conscious and are later repressed (secondary repression). Unaware; lacking the ability…