heaves
[hēvz]
Etymology: AS, hebban, to lift
1 a chronic pulmonary disease, similar to human pulmonary emphysema, characterized by wheezing, coughing, and dyspnea on exertion. The cause of the condition is unknown.
2
Usage notes: informal.
vomiting and retching. heaves
see chronic obstructive pulmonary disease.
heaves line
the visible groove between the aponeurotic and muscular parts of the external oblique muscle caused by the persistent double expiratory effort, with maximum abdominal muscle input, imposed by the poor respiratory gas exchange in this disease.
)
Heave line in a horse with chronic obstructive pulmonary disease. By permission from Knottenbelt DC, Pascoe RR, Diseases and Disorders of the Horse, Saunders, 2003
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