Category: C

A mechanically adjusted resistance used as a calibration control on many instruments. It adjusts a voltage or current within the device.  

Posture in which the body is on one side with legs drawn up to meet the trunk. It is used sometimes during lumbar punctures.  

The joint position in which there is maximum congruency of the articular surfaces and joint stability is derived from the alignment of bones. This is the opposite of the maximum loose-packed position.  

At postmortem examination, the presence of cavities in the brain substance caused by gas-forming bacteria.  

An abnormal tissue growth within the lumen of the colon. It may be benign or malignant.  

A pedunculated tumor attached to the inside of the heart. If situated close to a valve, it may cause blockage of the valve intermittently.  

Chronic inflammation of the synovial membrane of multiple joints.  

Progressive wasting of the muscles; myelopathic progressive muscular atrophy.  

Poisoning by strong acids, alkalies, strong antiseptics including bichloride of mercury, carbolic acid (phenol), Lysol, cresol compounds, tincture of iodine, and arsenic compounds. These agents cause tissue damage similar to that caused by burns. If the substances have been swallowed, any part of the alimentary canal may be affected. Tissues involved are easily perforated. Death…

A toxic reaction to the neurotoxin delivered by the pointed, hollow teeth of the marine animal contained in the cone shell. Intense local pain, swelling, and numbness may last several days. In severe poisoning, muscular incoordination and weakness can progress to respiratory paralysis. Although death can occur, recovery within 24 hr is the usual outcome.…