A medical condition involving abnormal dilation or expansion of a body part or vessel, particularly used in anatomy.
From Greek 'dia-' (through, apart) and 'ektasis' (stretching, extension), literally meaning 'stretching apart.' This is a less common variant of 'ectasis' used in medical terminology.
Medical terms with 'ectasis' in them usually signal something that has expanded beyond healthy limits—like how 'bronchiectasis' describes damaged airways that have become permanently widened.
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