Category: I

The presence in the urine of an abnormally high concentration of indican. This may be a sign that the intestine is obstructed. An excess of indoxylsulfate of potassium, a derivative of indole, in urine. It is found in small quantities in normal urine.  

Surgical removal of the second ear ossicle, the incus, as in the treatment of chronic middle ear infection (otitis media). The surgical removal of all or part of the incus of the middle ear.  

A technique, relying upon the precipitin reaction, for identifying an unknown antigen or testing for an antibody in a serum. Antibody and antigen are allowed to diffuse toward each other in agar gel.  

A moderate to severe degree of intellectual sub-normality that falls short of idiocy. The term is now obsolete, but roughly corresponds to an intelligence quotient of between 20 and 50. It is almost always caused by physical damage to the brain, and affected individuals usually require help and supervision throughout their lives. A cognitive impairment…

A segment of small intestine (ileum) used to convey urine from the ureters to an appliance outside the body. The ureters are implanted into an isolated segment of bowel, usually ileum but sometimes sigmoid colon, one end of which is brought through the abdominal wall to the skin surface. This end forms a spout, or…

An iodine-containing drug that inhibits the growth of viruses and is used to treat viral infections of the eye (such as keratitis). It is administered in eye drops or ointment and may cause irritation and stinging on application. An iodine-containing antiviral agent once used to treat herpes simplex involvement of the cornea of the eye.…

A profound degree of intellectual sub-normality in which the affected individual can do nothing for himself and cannot speak. The term is now obsolete, but roughly corresponds to an intelligence quotient of less than 20. There are usually associated physical handicaps and there is always physical damage of the brain. Any severe mental deficiency apparent…

Describing or relating to a motor action that is evoked by an idea. Ideomotor apraxia is the inability to translate the idea of a complex behavior into action.  

Soft area on the top of an infant’s head where the skull bones have not yet joined.  

A small, harmless dent or lump on the skin’s surface that forms when a person with diabetes repeatedly injects insulin at the same site. Lipodystrophy can be prevented by rotation of injection sites and, in some cases, by using purified insulin. A complication of insulin administration characterized by changes in the subcutaneous fat at the…