Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «I»:
Ice cream headache
Ice cream headache: A headache that occurs when one puts ice, a cold food or chilled beverage in the mouth. Ice cream is by far the most frequent offender. The headache occurs regardless of whether or not the individual suffers from other types of headache, such as migraine.
Ice cream headache is ...
Ichthyosis: Dry, rectangular
scales on the skin. Like fish scales. From the Greek "ichthys" meaning fish.
Ichthyosis is not one but rather a group of skin
disorders characterized by noninflammatory scaling of the skin. Many different metaphors have been used to describe the appearance and texture ...
Ichthyosis simplex: Excessively dry skin with scaling.
Also called xeroderma. See: Xeroderma. See also: Ichthyosis vulgaris....
Ichthyosis vulgaris: A genetic skin disease that is characterized by scaly (fishlike) areas of skin. The first scaly skin problems usually appear after 3 months of age. The palms and soles are often affected. Areas that tend to be spared include the axillae (the armpits), the antecubital fossa (th...
Ichthyosis, spasticity, oligophrenia syndrome
Ichthyosis, spasticity, oligophrenia syndrome: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease characterized by a triad of clinical findings consisting of ichthyosis (thickened fish-like skin), spastic paraplegia (spasticity of the legs) and mental retardation (ol...
syndrome: See Keratitis-ichthyosis-deafness syndrome....
ICSI: Stands for intracytoplasmic sperm injection, a test-tube fertilization procedure in which a sperm is injected directly into an egg to achieve fertilization. ICSI is done for male infertility.
Babies conceived by ICSI have no more major birth defects or delays in development than children conc...
Icterus: Jaundice. At least one medical dictionary defines icterus as the presence of jaundice seen in the sclera of the eye. This is incorrect. Icterus is synonymous with jaundice. They are one and the same thing.
Curiously, both icterus and jaundice come from the Greek. Icterus is a Latinized (-us...
ICU: Intensive Care Unit. ...
ICU psychosis: A disorder in which patients in an intensive
care unit (ICU) or a similar hospital setting may experience anxiety,
become paranoid, hear voices, see things that are not there, become
severely disoriented in time and place, become very agitated, even
violent, etc. The condition ha...
IDEC-Y2B8 monoclonal antibody
IDEC-Y2B8 monoclonal antibody: See: Yttrium Y 90 ibritumomab tiuxetan....
IDET: Intradiskal electrothermal therapy, a procedure designed to relieve back pain due to damage to the disks between the spine bones.
Under local anesthesia and X-ray guidance, a needle is introduced into the disk and a catheter with a heating coil is inserted through the needle. The tip of the ...
Idiocy, amaurotic familial
Idiocy, amaurotic familial: An
outdated term for Tay-Sachs disease (TSD) which is
concisely defined by OMIM (Online Mendelian Inheritance in
Man) as "an autosomal recessive, progressive
neurodegenerative disorder, which in the classic infantile
form, is usually fatal by age 2 or 3 years, result...
Idiopathic: Of unknown cause. Any disease that is of uncertain or unknown origin may be termed idiopathic. For example, acute idiopathic polyneuritis,
diffuse idiopathic skeletal hyperostosis,
idiopathic pulmonary fibrosis,
idiopathic scoliosis, etc.
From the New Latin idiopathia (primary disea...