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Medical Dictionary Starting with I

Iatrogenic

A term used to describe a disease, disorder, or medical condition that is a direct result of medical treatment

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Iatrogenic Artifact

An iatrogenic artifact is a disease made up by doctors, often a diagnostic trend or fad that has become or is expected to become obsolete or discredited Examples of diseases considered or accused of b...

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Ichor

Thin bad matter

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Ichthyosis

A variety of diseases in which the skin is dry and scaly

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Ictal

Relating to or caused by a stroke or seizure

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Icterus Albus

The white jaundice Chlorosis is sometimes so called

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Icterus Gravis

Jaundice associated with high fever and delirium; seen in severe hepatitis and other diseases of the liver with severe functional failure

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Icterus Infantum

Is a common affection, and frequently dependent upon obstruction of the choledoch duct by the meconium

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Icterus Neonatorum

Icterus which can be accentuated by many factors including excessive haemolysis, sepsis, neonatal hepatitis or congenital atresia of the biliary system

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Icterus Saturninus

The earthy-yellow hue in saturine cachexy; Lead Jaundice

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Icterus Viridis

Icterus when the skin is of a green or olive hue; Green Jaundice

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Ictus

A sudden attack, blow, stroke, or seizure

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Ictus Solis

Coup de soliel Sunstroke; an effect produced by the rays of the sun upon the body, as erysipelas, or inflammation of the brain or its membranes

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Idio Miasma

Human effluvia; exhalation from human decomposition or excrements

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Idiopathic

Disease in which the cause is unknown

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Idiot

A person of profound mental retardation having a mental age below three years and generally being unable to learn connected speech or guard against common dangers The term belongs to a classification ...

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Ignis Infernalis

Hell'S Fire, Ignis Sacer, Sacred Fire, Ignis Sancti Antonii, Saint Anthony's Fire, Ignis Volaticus, Flying Fire, the same as Erysipelas; an infection caused by streptococci bacteria; characterized by ...

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Ileocolitis

Enteritis involving both the ileum and the colon

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Ileostomy

A surgical procedure in which the lower part of the small intestine (the ileum) is cut and brought to an opening in the abdominal wall, where feces can be passed out of the body

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Ileum

The lowest section of the small intestine, which attaches to the large intestine

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Ileus

Costiveness, with twisting about the umbilical region It is also called the Iliac Passion; Miserere, an invocation for pity, etc

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Iliac Passion

A violent vomiting, in which the fæcal portion of the food is voided by the mouth It is produced by many morbid conditions of the bowels, by inflammatory affections of the abdominal viscera, and by he...

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Ill Thing

The King's evil or St Anthony's fire; also applied to any spontaneous sore

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Illness

Disease; A pathological condition of a part, organ, or system of an organism resulting from various causes, such as infection, genetic defect, or environmental stress, and characterized by an identifi...

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Imaging

The technique of creating pictures of structures inside of the body using X-rays, ultrasound waves, or magnetic fields

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Imbecile

A person of moderate to severe mental retardation having a mental age of from three to seven years and generally being capable of some degree of communication and performance of simple tasks under sup...

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Immediate Denture

Prosthesis constructed for placement immediately after removal of remaining natural teeth

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Immune Deficiency

Impairment of the immune system, which reduces protection against infection and illness

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Immune Globulin

Antibody; a protein made by white blood cells that reacts with a specific foreign protein as part of the immune response

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Immune Response

The activity of the immune system, for example against an outside invader (eg, bacteria, virus), cancerous cells, or the body's own tissues (autoimmune response)

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Immune System

The body's defense system that protects against foreign invaders (eg, bacteria, viruses) Some immune defenses are nonspecific (eg, phagocytosis), while others are directed against specific invaders (e...

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Immune Tolerant

A phase of chronic HBV when HBV DNA levels are high, but ALT levels are low This indicates that there is little liver damage occurring

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Immunity

Resistance to a specific disease because of the responses of the immune system

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Immunization

The process of causing immunity by injecting antibodies or provoking the body to make its own antibodies against a certain microorganism

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20000+ Medical & Health Terms for Doctors, students & patients from a medical dictionary. Our experts define difficult medical & health language in easy-to-understand explanations of each and every medical term.

Medical & Health Terms online medical dictionary provides quick & easy access to hard-to-spell and often misspelled medical & health definitions through an extensive alphabetical A-Z listing.

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