Category: T

The combination of four symptoms or elements.  

A powerful cholinesterase inhibitor used as an insecticide. It is poisonous to humans; the antidote is atropine.  

Noting a pulse or pulse tracing with four upward strokes in the descending limb of the wave.  

Able to react with four molecules of a monoacid or two of a diacid to form a salt or ester, said of a base or alcohol. This term is disapproved by some authorities.  

A clear, colorless liquid with a characteristic odor, used as a solvent.  

A dye, C20H8Br4O5, obtained from the action of bromine on fluorescein, used as a stain in microscopy.  

Having four replaceable hydrogen atoms, said of an acid or acid salt.  

Binding or attachment, e.g., of white blood cells as they migrate through tissues.  

Symmetrical blindness in the same quadrant of each visual field.  

Tetany resulting from removal of the thyroid gland, accompanied by inadvertent removal of the parathyroid glands.