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View synonyms for excretion
excretion
1[ ik-skree-shuhn ]
excretion
2[ ik-skree-shuhn ]
noun
- the state of being excrescent.
- an excrescence.
excretion
/ ĭk-skrē′shən /
- The elimination by an organism of waste products that result from metabolic processes. In plants, waste is minimal and is eliminated primarily by diffusion to the outside environment. Animals have specific organs of excretion. In vertebrates, the kidney filters blood, conserving water and producing urea and other waste products in the form of urine. The urine is then passed through the ureters to the bladder and discharged through the urethra. The skin and lungs, which eliminate carbon dioxide, are also excretory organs.
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Word History and Origins
Origin of excretion1
Origin of excretion2
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Example Sentences
Excretion of these substances is greatly increased by a diet rich in nuclei, as sweetbreads and liver.
From Project Gutenberg
It is a very common error to consider these deposits as evidence of excessive excretion.
From Project Gutenberg
Factors which favor an early deposit are high acidity, diminished urinary pigments, and excessive excretion of uric acid.
From Project Gutenberg
The organs of excretion: such as the kidneys and skin, which pass off nitrogenous and other waste matters from the body.
From Project Gutenberg
In man, the skin and kidneys remove this waste from the body, hence they are called the organs of excretion.
From Project Gutenberg
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