apneustic

American

[ap-noo-stik, -nyoo-] / æpˈnu stɪk, -ˈnju- /

adjective

Entomology.

having no open spiracles, as the tracheal systems of certain aquatic insect larvae.

apneustic British

/ æpˈnuːstɪk /

adjective

of or relating to apneusis
(of certain animals) having no specialized organs for respiration

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of apneustic

a- ⁶ + Greek pneustikós pertaining to breathing, equivalent to *pneust ( os ) (verbid of pneîn to breathe) + -ikos -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

apneustic

The apneustic center is a double cluster of neuronal cell bodies that stimulate neurons in the DRG, controlling the depth of inspiration, particularly for deep breathing.

From Textbooks ● Jun. 19, 2013

The second respiratory center of the brain is located within the pons, called the pontine respiratory group, and consists of the apneustic and pneumotaxic centers.

From Textbooks ● Jun. 19, 2013

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023