levo- (laevo-, British)

(Latin: left, to the left; toward, or on the left side)

1. A radiographic diagnostic study of the heart in which valves and vessels on the left side are examined via x-ray and fluoroscopy following the introduction of a contrast media.
2. Examination of the left side of the heart and associated blood vessels using x-rays following the injection of a radiopaque substance.
1. Characterized by being left-eared.
2. Descriptive of an individual who prefers to listen with the left ear, as when using a telephone receiver, or a person who depends more on the left ear in binaural hearing.
2. Referring to the left ear.
That part of the bicardiogram (combined effects of the right and left ventricles or muscular chambers of the heart), or a normal curve, which is the effect of the left ventricle.
levocular, levocularity
1. A condition in which someone has better vision with the left eye than the with the right eye.
2. Favoring the left eye, rather than the right, by habit or for effective vision.
Turning of one eye to the left; exduction (turning out of line) of the left eye or euduction (normal turning) of the right eye.
The d-isomer (also referred to as fruit sugar, levoglucose, levulose, and d-arabino-2-hexulose) is a 2-ketohexose that is physiologically the most important of the ketohexoses and one of the two products of sucrose hydrolysis; it is metabolized or converted to glycogen in the absence of insulin; fructose.
1. An electrocardiographic record in an experimental animal representing a spread of impulses through the left ventricle alone.
2. That part of the electrocardiogram which represents activity of the left ventricle of the heart.