Category: M

Intravenous drug used to treat severe congestive heart failure; side effects include hypotension and, rarely, cardiac arrhythmias.  

Laxative and antacid, containing magnesium hydroxide; it is used to treat constipation and acid indigestion.  

Condition caused by a lack of or defect in an enzyme that renders a person unable to digest milk sugar (lactose).  

Minute white cysts of epidermis caused by obstruction of hair follicles and sweat glands; also called whiteheads. Small, firm, superficial, benign (not cancerous), white bumps typically found on the cheeks and forehead. They are a common condition in newborns that generally disappear without treatment after several weeks. In adults, they may be removed by a…

Normal response to increased pressure in the bladder, with relaxation of the urethral sphincter allowing passage of urine from the body.  

Condition of having an abnormally small and undeveloped, but structurally normal, body.  

Study of the microscopic structure of tissues and organs; included are histology and cytology.  

Abnormally small penis; also called micropenis.  

Neutrophil (type of white blood cell) that can ingest small things (e.g., bacteria).  

Abnormality characterized by unusually small fingers and toes.