water excretion

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• Excretion — is the process of eliminating waste products of metabolism and other non useful materials.cite book | last = Beckett | first = B. S. | authorlink = | coauthors = | title = Biology: A Modern Introduction | publisher = Oxford University Press |… …   Wikipedia

• Water intoxication — Classification and external resources Water intoxication, also known as water poisoning, is a potentially fatal disturbance in brain functions that results when the normal balance of electrolytes in the body is pushed outside of safe limits by… …   Wikipedia

• excretion — excretion1 /ik skree sheuhn/, n. 1. the act of excreting. 2. the substance excreted, as urine or sweat, or certain plant products. [1595 1605; < LL excretion (s. of excretio) that which is sifted out. See EXCRETE, ION] excretion2 /ik skree… …   Universalium

• excretion — 1. The process whereby the undigested residue of food and the waste products of metabolism are eliminated, material is removed to regulate the composition of body fluids and tissues, or substances are expelled to perform functions on an exterior… …   Medical dictionary

• excretion — I (New American Roget s College Thesaurus) Act of discharging Nouns 1. excretion, discharge, elimination, exhalation, exudation, extrusion, ejaculation, effusion, egestion, extravasation, evacuation, dejection, defecation, urination, micturition; …   English dictionary for students

• excretion — n. the removal of the waste products of metabolism from the body, mainly through the action of the kidneys. Excretion also includes the loss of water, salts, and some urea through the sweat glands and carbon dioxide and water vapour from the… …   The new mediacal dictionary

• water gland — noun : a group of cells situated immediately below a hydathode and serving to regulate the excretion of water …   Useful english dictionary

• excretion — noun 1. the bodily process of discharging waste matter (Freq. 1) • Syn: ↑elimination, ↑evacuation, ↑excreting, ↑voiding • Derivationally related forms: ↑void (for: ↑ …   Useful english dictionary

• water-vascular system — noun : a system of vessels in echinoderms containing a watery fluid that is analogous to blood, is used for the movement of tentacles and tube feet, and may also function in excretion and respiration …   Useful english dictionary

• Fractional sodium excretion — The fractional excretion of sodium (FENa) is a measure of the percentage of sodium excreted in the urine versus the sodium reabsorbed by the kidney. It is measured in terms of plasma and urine sodium, rather than by the interpretation of urinary… …   Wikipedia

• Free water clearance — In the physiology of the kidney, free water clearance (CH2O) is the volume of blood plasma that is cleared of solute free water per unit time. An example of its use is in the determination of an individual s state of hydration.OverviewAt its… …   Wikipedia