Category: C
-
Congenital muscular torticollis
Congenital fibrosis of the sternocleidomastoid muscle in the newborn, causing rotation of the infant’s head to the opposite side. The condition usually becomes evident in the first 2 weeks of life. Treatments include physical therapy or, in refractory cases, surgical division of the muscle.
-
Cerebellar tonsil
One of a pair of cerebellar lobules on either side of the uvula, projecting from the inferior surface of the cerebellum.
-
Deviation of tongue
Marked turning of the tongue from the midline when protruded, indicative of lesions of the hypoglossal nerve.
-
Coated tongue
A tongue covered with a layer of whitish or yellowish material consisting of desquamated epithelium, bacteria, or food debris. The significance of this is difficult to interpret. It may mean only that the patient slept with the mouth open or has not eaten because of loss of appetite. If darkly coated, it may indicate a…
-
Chordal tissue
Tissue of the notochord or derived from it. The nucleus pulposus is derived from the notochord.
-
Clot retraction time
The time required following withdrawal of blood for a clot to completely contract and express the serum entrapped within the fibrin net. The normal time is about 1 hr. Clot retraction depends on the number of platelets in the specimen. The duration required for a blood sample to coagulate and form a solid clot is…
-
Convulsive tic
Spasm of the facial muscles supplied by the seventh cranial nerve.
-
Coagulation thrombosis
Thrombosis due to coagulation of fibrin in a blood vessel.
-
Cerebral sinovenous thrombosis
A blood clot in one of the main veins that carry blood from the brain, such as the superior sagittal sinus, the lateral sinus, or the straight sinus.
-
Celsius thermometer
A thermometric scale generally used in scientific notation. Temperature of boiling water at sea level is 100°C and the freezing point is 0°C. The Celsius thermometer.