Abnormal changes in the shape or form of the heart; deformation or alteration of normal cardiac structure.
From Greek 'kardia' (heart) + 'morphe' (shape or form) + '-ia' (condition or state). The 'morph-' root appears in 'morphine,' 'metamorphosis,' and 'polymorphic,' all dealing with shape and form.
The Greek prefix 'morph-' obsessed scientists because shape reveals function—understanding how a heart's shape changes helped explain why certain deformities cause disease, literally reading the body's geometry to diagnose illness.
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