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Overview

excretion

The natural removal of metabolic waste products, water, mineral salts, and carbon dioxide from the body. It occurs through the kidneys, lungs, and sweat glands.

excretion

excretion   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

... The elimination of metabolic wastes (including carbon dioxide and urea) from the...

excretion

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World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
53 words

... Elimination of materials from the body that have been involved in metabolism . In mammals, these wastes excrete mainly as urine , and to some extent by sweating. Carbon dioxide excretes through the lungs during breathing. Defaecation is not excretion, as faeces consist mostly of material that has never been part of the...

excretion

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A Dictionary of Nursing (7 ed.)

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health
Length:
52 words

...excretion [iks- kree -shŏn] 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, etc. through the sweat glands, the loss of carbon dioxide and water vapour from the lungs, and the egestion of...

excretion

excretion n.   Quick reference

Concise Medical Dictionary (10 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Clinical Medicine
Length:
57 words

... 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 lungs, and the term is also used to include the egestion of...

excretion

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A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
27 words

... n. The natural removal of metabolic waste products, water, mineral salts, and carbon dioxide from the body. It occurs through the kidneys, lungs, and sweat...

excretion

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A Dictionary of Biology (8 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Life Sciences
Length:
150 words

...excretion The elimination by an organism of the waste products that arise as a result of metabolic activity. These products include water, carbon dioxide, and nitrogenous compounds. Excretion plays an important role in maintaining the constancy of an organism’s internal environment ( see homeostasis ). The simplest method of excretion, which occurs, for example, in plants, involves diffusion of waste products from the body, but many animals have specialized organs and organ systems devoted to this function ( see malpighian tubule ; nephridium )....

excretion

excretion   Reference library

The Oxford Companion to the Body

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Life Sciences
Length:
661 words

... is the transfer of substances out of a living organism into its environment. At its simplest, for single-cell forms of life, this involves extrusion across the cell membrane of the unwanted or potentially toxic by-products of respiration and metabolism. This is also what is happening continually in the individual cells of the animal body, but from their immediate environment substances must move into the blood to be carried away to the site of their ultimate disposal. In the animal body there is also another type of excretion: expulsion of the...

excretion

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A Dictionary of Animal Behaviour (2 ed.)

Reference type:
Subject Reference
Current Version:
2014
Subject:
Science and technology, Life Sciences
Length:
57 words

... The elimination of waste matter from the body by defecation and urination. In most animals this is an automatic process, but in some mammals it has become ritualized and plays a role in * communication . Marking territory by defecation occurs in various carnivores; the faeces contain important * pheromones . * Scent marking by urination also occurs in many...

excretion rate

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A Dictionary of Public Health (2 ed.)

Reference type:
Subject Reference
Current Version:
2018

...excretion rate The rate at which substances are excreted from the body, often after metabolic transformation. This rate varies considerably. Some toxic substances are stored in body tissues and very slowly excreted; e.g., fat-soluble pesticides are stored in fat, lead is stored in bone. ...

excretion

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New Oxford Rhyming Dictionary (2 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Language reference
Length:
504 words

... • ashen , fashion, passion, ration • abstraction , action, attraction, benefaction, compaction, contraction, counteraction, diffraction, enaction, exaction, extraction, faction, fraction, interaction, liquefaction, malefaction, petrifaction, proaction, protraction, putrefaction, redaction, retroaction, satisfaction, stupefaction, subtraction, traction, transaction, tumefaction, vitrifaction • expansion , mansion, scansion, stanchion • sanction • caption , contraption • harshen , Martian • cession , discretion, freshen, session • ...

excrétion

excrétion nf   Quick reference

Pocket Oxford-Hachette French Dictionary: French-English (4 ed.)

Reference type:
Bilingual Dictionary
Current Version:
2012
Subject:
Bilingual dictionaries
Length:
4 words
excretion

excretion n   Quick reference

Pocket Oxford Italian Dictionary: English-Italian (4 ed.)

Reference type:
Bilingual Dictionary
Current Version:
2012
Subject:
Bilingual dictionaries
Length:
8 words
excretion

excretion noun   Quick reference

New Oxford American Dictionary (3 ed.)

Reference type:
English Dictionary
Current Version:
2015
Subject:
English Dictionaries and Thesauri
Length:
68 words
excretion

excretion noun   Quick reference

Oxford Dictionary of English (3 ed.)

Reference type:
English Dictionary
Current Version:
2015
Subject:
English Dictionaries and Thesauri
Length:
82 words
excretion

excretion  

Reference type:
Overview Page
The natural removal of metabolic waste products, water, mineral salts, and carbon dioxide from the body. It occurs through the kidneys, lungs, and sweat glands.
excretion rate

excretion rate  

The rate at which substances are excreted from the body, often after metabolic transformation. This rate varies considerably. Some toxic substances are stored in body tissues and very slowly ...
beeturia

beeturia  

Reference type:
Overview Page
Excretion of red-coloured urine after eating beetroot, due to excretion of the pigment betanin. It occurs, not consistently, in about one person in eight.
urinary system

urinary system  

The collection of organs and tissues that perform osmoregulation and excretion. The mammalian urinary system consists of two kidneys each linked to the bladder by a ureter.
ADME

ADME  

Reference type:
Overview Page
Common shorthand term for information about the absorption, distribution, metabolism, and excretion of a drug.
alkalinizer

alkalinizer  

A substance, such as sodium bicarbonate, used to boost the alkali reserve artificially; alkalinizers have also been used by some athletes to avoid drug detection. By raising the pH, they reduce the ...

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