DYSPNEA
\dˈɪspni͡ə], \dˈɪspniə], \d_ˈɪ_s_p_n_iə]\
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By Willam Alexander Newman Dorland
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In physiology, a condition marked by a respiratory activity greater than normal and of varying degrees. Due ordinarily to an increase in the pressure of carbon dioxid in the blood supplying the respiratory center, but it may also be caused by a deficiency of oxygen.
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As commonly used the term means difficult, laborious, or painful breathing.
By Smith Ely Jelliffe
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.