H

hallucination

A sight, sound, smell, taste, or touch that a person believes to be real but is not real. Hallucinations can be caused by nervous system disease, certain drugs, … [Read more...]

Halodrin

(Other name for: fluoxymesterone) … [Read more...]

halofuginone hydrobromide

The hydrobromide salt of halofuginone, a semisynthetic quinazolinone alkaloid anticoccidial derived from the plant Dichroa febrifuga, with antifibrotic and … [Read more...]

haloperidol

A phenylbutylpiperadine derivative with antipsychotic, neuroleptic, and antiemetic activities. Haloperidol competitively blocks postsynaptic dopamine (D2) … [Read more...]

Halotestin

(Other name for: fluoxymesterone) … [Read more...]

Halsted radical mastectomy

Surgery for breast cancer in which the breast, chest muscles, and all of the lymph nodes under the arm are removed. For many years, this was the breast cancer … [Read more...]

hamartoma

A benign (not cancer) growth made up of an abnormal mixture of cells and tissues normally found in the area of the body where the growth occurs. … [Read more...]

hand-foot syndrome

A condition marked by pain, swelling, numbness, tingling, or redness of the hands or feet. It sometimes occurs as a side effect of certain anticancer drugs. … [Read more...]

happy major

A plant whose seeds and root have been used in some cultures to treat certain medical problems. It may have antioxidant effects. The scientific name is Arctium … [Read more...]

hard palate

The front, bony part of the roof of the mouth. … [Read more...]