Dilatation


Dilatation: The process of enlargement or expansion. Also known as dilation.

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  • Dilated cardiomyopathy

    A disorder in which the chambers of the heart are dilated (enlarged) because the heart muscle is weakened and cannot pump effectively. There are many causes, the most common being myocardial ischemia (not enough oxygen supplied to the heart muscle) due to coronary artery disease.

  • Dilating

    Dilating: The widening and opening of an opening, such as the cervix or esophagus. For example, the amount of widening can be described in terms of the number of fingers that could fit in the cervical opening, or it is described in centimeters.

  • Dilation

    Dilation: The process of enlargement, stretching, or expansion. The word “dilatation” means the same thing. Both come from the Latin “dilatare” meaning “to enlarge or expand.”

  • Dilation and curettage

    A minor operation in which the cervix is expanded enough (dilation) to permit the cervical canal and uterine lining to be scraped with a curet (or curette), an instrument shaped like a small spoon. This procedure also is called D and C.

  • Dilation, pupil

    Pupil dilation: This examination enables your eye care professional to see more of your retina, the light-sensitive layer of tissue at the back of your eye. Dilating (widening) the pupil permits your eye to be examined for signs of disease. To do this, drops are placed into the eye to dilate (widen) the pupil. After […]


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