Category: A

Plantar flexion resulting from contraction of the calf muscles after a sharp blow to the Achilles tendon, activating the SI spinal reflex. The variations and their significance correspond closely to those of the knee jerk. It is exaggerated in upper motor neuron disease and diminished or absent in lower motor neuron disease. The calf muscles…

An enzyme that is effective in the transfer of an acetyl group from one compound to another.  

A dietary supplement (a form of L-carnitine) promoted for its positive effects on fat (especially triglyceride) metabolism and Alzheimer’s disease.  

A colorless explosive gas C2H2, with a garlic-like odor.  

A salt solution of acetylcholine used in irrigation of the iris to produce contraction of the pupil after cataract surgery. The sterile solution is instilled in the anterior chamber of the eye before suturing.  

The introduction of one or more acetyl groups into an organic compound.  

A means of examining a genital or anal lesion for the presence of human papillomavirus infection and atypical cells suggestive of cancer. The lesion (e.g., an irregularity on the surface of the uterine cervix or a wart found on the penis) is coated with 5% acetic acid. The epithelium is then examined for a change…

Methyl cyanide CH3CN, an ingredient of some commercially available nail care products. When ingested, it produces a toxic reaction similar to cyanide poisoning. The onset is delayed 9 to 12 hr or more. It is also found in the urine of cigarette smokers. Treatment for poisoning is the same as for cyanide poisoning.  

A test for the presence of acetone in the urine; made by dribbling urine on a dipstick. The presence of acetone causes a color change on the dipstick, which can be compared to calibrated standards.  

To produce acetic fermentation or vinegar.