Category: C
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Curve of carus
An arc corresponding to the pelvic axis. At the end of the second stage of labor, when the fetal head reaches the curve of Carus, it is directed upward toward the vaginal introitus and forced into extension by the resistance of the pelvic floor.
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Curvature of spine
One of four normal curves or flexures of the vertebral column as seen in profile: cervical, thoracic, lumbar, and sacral. Abnormal curvatures may occur as a result of maldevelopment or disease processes.
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Cervical curvature
The anterior curvature of the cervical vertebrae. The cervical curvature is a secondary spinal curve that begins to develop in the fetus and continues to form throughout infancy.
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Curse
To attempt to inflict injury by appeal to a malevolent supernatural power. A normal or abnormal bending or sloping away; a curve.
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Current density
The amperage divided by the surface area to which it is applied, e.g., in electrosurgery.
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Curium
An artificially made element of the actinide series; atomic weight of the longest-lived isotope, 247, atomic number 96. The half life of the most stable isotope is 16 million years.
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Curb cut
An area in which a sidewalk has been modified or designed to eliminate the vertical curb. By providing a gradual slope to the street at this point, an environmental obstacle has been removed, thus improving access for persons with wheelchairs, those who have difficulty walking, or for persons pushing wheeled vehicles.
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Curarization
Paralysis induced by curare or by a drug like curare (e.g., pancuronium or vecuronium).
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Curanderismo
A traditional Mexican-American folk medicine based on a belief that magic and ritual can be used to treat a broad spectrum of illnesses. Practitioners are known as curanderas (females) and curanderos (males).
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Cupulolithiasis
A disease of calculi in the cupula of the posterior semicircular canal of the middle ear. The condition may be associated with positional vertigo.