excretory

[ek-skri-tawr-ee, -tohr-ee, ik-skree-tuh-ree]
adjective
pertaining to or concerned in excretion; having the function of excreting: excretory organs.

Origin:
1675–85; excrete + -ory1

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World English Dictionary
excrete (ɪkˈskriːt)
 
vb
1.  to discharge (waste matter, such as urine, sweat, carbon dioxide, or faeces) from the body through the kidneys, skin, lungs, bowels, etc
2.  (of plants) to eliminate (waste matter, such as carbon dioxide and salts) through the leaves, roots, etc
 
[C17: from Latin excernere to separate, discharge, from cernere to sift]
 
ex'creter
 
n
 
ex'cretion
 
n
 
ex'cretive
 
adj
 
ex'cretory
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

excretory ex·cre·to·ry (ěk'skrĭ-tôr'ē)
adj.
Of, relating to, or used in excretion.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
The renal calyces and pelvis form the upper expanded end of the excretory duct of the kidney.
Its excretory ducts are from eight to twenty in number.
The excretory bladder extends from the posterior end to the pharynx.
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