All Words Glossary

Glossary of Pathology Terms
beginning with letter I
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ichthyosis Tweet Definition of ichthyosis Like Definition of ichthyosis on Facebook
noun (ichthyos, es)
  1. (medicine) a disease which gives the sufferer a dry, scaly skin
    • 1926: A well-marked case of pseudo-leprosy or , a scale-like affection of the skin, unsightly, obstinate, but possibly curable, and certainly non-infective. " Arthur Conan Doyle, "The Adventure of the Blanched Soldier" (Norton 2005, p. 1506)
idiopathic Tweet Definition of idiopathic Like Definition of idiopathic on Facebook
  1. (pathology) Of, relating to, or designating a disease having no known cause.
ileac Tweet Definition of ileac Like Definition of ileac on Facebook
  1. (anatomy) Pertaining to the ileum.
  2. (rare) See Iliac.
ileitis Tweet Definition of ileitis Like Definition of ileitis on Facebook
noun (plural ileitides)
  1. (pathology) Inflammation of the ileum.
ileus Tweet Definition of ileus Like Definition of ileus on Facebook
  1. (pathology) Partial or complete obstruction of the intestines, especially the ileum, causing colic, vomiting, constipation and often fever and dehydration.
ill Tweet Definition of ill Like Definition of ill on Facebook
  1. (context, often pluralized) Trouble; distress; misfortune; adversity.
Music won't solve all the world's ills, but it can make them easier to bear.
  1. Harm or injury.
I wouldn't want you to do me .
  1. Evil; moral wrongfulness.
Sociopaths do not seem to grasp the difference between good and .
  1. A physical ailment; an illness.
I am incapacitated by rheumatism and other ills.
  1. unfavorable, Unfavorable remarks or opinions.
Do not speak of the dead.
  1. Suffering from a disease.
I've been with the flu for the past few days.
  1. Having an urge to vomit.
Seeing those pictures made me .
  1. bad, Bad, often connoting abuse or neglect.
He suffered from treatment.
  1. (context, hip-hop slang) sublime, Sublime, with the connotation of being so in a singularly creative way. This sense sometimes declines in AAVE as , comparative iller, superlative illest.
Biggie Smalls is the illest / Your style is played out, like Arnold wonderin "Whatchu talkin bout, Willis?" " Biggie Smalls, The What, 1994.
  1. (slang) Extremely bad (bad enough to make one ill). Generally used indirectly with to be.
That band was .
  1. Badly; very incompletely. Often hyphenated to form an adjectival phrase.
That move was -planned and -executed.
immunosuppression Tweet Definition of immunosuppression Like Definition of immunosuppression on Facebook
  1. (context, immunology, medicine) The active medical suppression of the immune response.
impetigo Tweet Definition of impetigo Like Definition of impetigo on Facebook
noun (plural impetigos)
  1. (pathology) A contagious bacterial skin disease forming pustules and yellow crusty sores, chiefly on the face and hands. It is common in children and infection is often through cuts or insect bites.
impotence Tweet Definition of impotence Like Definition of impotence on Facebook
  1. powerlessness, Powerlessness.
  2. erectile dysfunction, Erectile dysfunction.
incubation Tweet Definition of incubation Like Definition of incubation on Facebook
  1. A sitting on eggs for the purpose of hatching young; a brooding on, or keeping warm, (eggs) to develop the life within, by any process.
  2. The development of a disease from its causes, or its period of incubation. (See below.)
  3. A sleeping in a consecrated place for the purpose of dreaming oracular dreams.
indigestion Tweet Definition of indigestion Like Definition of indigestion on Facebook
  1. A common medical condition most often caused by eating too quickly.
indolent Tweet Definition of indolent Like Definition of indolent on Facebook
  1. Habitually lazy, procrastinate, procrastinating, or resistant to physical labor/labour.
The girl resisted doing her homework.
  1. Something inducing laziness (e.g. comfort); causing scant or no physical pain; progressing slowly; inactive (of an ulcer, etc.)
  2. (medicine) Healing slowly.
infarction Tweet Definition of infarction Like Definition of infarction on Facebook
  1. (pathology) The process which causes an infarct
  2. (pathology) An infarct.
infection Tweet Definition of infection Like Definition of infection on Facebook
  1. (pathology) The act or process of infecting.
  2. An uncontrolled growth of harmful microorganisms in a host.
infectious Tweet Definition of infectious Like Definition of infectious on Facebook
  1. (context, pathology, of an illness) transmit, Transmitted from one person to another, usually through the air breathed.
  2. (context, of feelings and behaviour) Spreading quickly from one person to another.
Her enthusiasm for work is really .
  1. (context, pathology, of a person) Able to infect others.
The patient is still .
infertile Tweet Definition of infertile Like Definition of infertile on Facebook
  1. not fertile
infiltrate Tweet Definition of infiltrate Like Definition of infiltrate on Facebook
verb (infiltrat, es)
  1. To surreptitiously penetrate, enter or gain access.
  2. To cause a fluid to pass through a substance by filtration.
  3. To send soldiers through gaps in the enemy line.
inflammation Tweet Definition of inflammation Like Definition of inflammation on Facebook
noun (wikipedia, Inflammation)
  1. The act of inflame, inflaming, kindle, kindling, or setting on fire; also, the state of being inflamed.
  2. A morbid condition of any part of the body, consisting in congestion of the blood vessels, with obstruction of the blood current, and growth of morbid tissue. It is manifested outwardly by redness and swelling, attended with heat and pain.
  3. Violent excitement; heat; passion; animosity; turbulence; as, an inflammation of the mind, of the body politic, or of parties.
influenza Tweet Definition of influenza Like Definition of influenza on Facebook
  1. (pathology) An acute contagious disease of the upper airways and lungs, caused by a virus, which rapidly spreads around the world in seasonal epidemics.
injection Tweet Definition of injection Like Definition of injection on Facebook
  1. The act of injecting, or something that is injected.
  2. (context, specifically, medicine) Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.
  3. (math) A function of "one-to-many" mapping relationship; more formally, f: X → Y is an injection if and only if, for every x in the function domain, domain X, there is at least one y in the function codomain, codomain Y with f(x) = y.
insufficiency Tweet Definition of insufficiency Like Definition of insufficiency on Facebook
noun (insufficienc, ies)
  1. The lack of sufficiency; the shortage or inadequacy of.
The troops went hungry because of the of their supplies.
intoxicate Tweet Definition of intoxicate Like Definition of intoxicate on Facebook
verb (intoxicat, ing)
  1. To stupefy by dope, doping with chemical substances such as alcohol.
intoxication Tweet Definition of intoxication Like Definition of intoxication on Facebook
  1. A poisoning, as by a spirituous or a narcotic substance.
  2. The state of being intoxicated or drunk; inebriation; ebriety; drunkenness; the act of intoxicating or making drunk.
  3. A high excitement of mind; an elation which rises to enthusiasm, frenzy, or madness.
intussusception Tweet Definition of intussusception Like Definition of intussusception on Facebook
  1. Absorption.
  2. (medicine) The invagination of one portion of a tubular anatomical structure (especially intestines or blood vessels) within the next.
invagination Tweet Definition of invagination Like Definition of invagination on Facebook
  1. (medicine) The process where an anatomical part invaginates upon itself or into another structure.
  2. One of the methods by which the various germinal layers of the ovum are differentiated.
invalidism Tweet Definition of invalidism Like Definition of invalidism on Facebook
  1. The condition of an invalid; sickness; infirmity.
irritable Tweet Definition of irritable Like Definition of irritable on Facebook
  1. capable of being irritated
  2. easily exasperated or excited
  3. responsive to stimuli
irritable bowel syndrome Tweet Definition of irritable bowel syndrome Like Definition of irritable bowel syndrome on Facebook
  1. (pathology) A functional disorder causing the nerves and muscles of the large intestine to be oversensitive, leading to symptoms such as cramp, bloating, flatulence, diarrhoea and constipation.
ischemia Tweet Definition of ischemia Like Definition of ischemia on Facebook
  1. (pathology) (alternative spelling of, ischaemia)
itch Tweet Definition of itch Like Definition of itch on Facebook
  1. A sensation felt on an area of the skin that causes a person or animal to tend to want to scratch.
  2. A desire or want.
verb (itch, es)
  1. (intransitive) To feel the need to scratch.
  2. (intransitive) To want or desire.
He started learning to drive and he has been itching for opportunities to practice ever since.
  1. (transitive) To cause to feel an itch.
  2. (context, transitive, colloquial) To scratch or rub so as to relieve an itch.
    • 2002: M D Huddleston, Missing Paige
    • :"What makes you suspect him?" Max asked as he itched his neck.
    • 2003: Ray Emerson, The Riddle of Cthulhu
    • :Ulysses thumped his side and itched his back side, then slipped into his car.
    • 2004: Philip Smucker, Al Qaeda's Great Escape: The Military and the Media on Terror's Trail
    • :But when we asked more about the famous man whose specter still commanded the heights, the guard just sneered at me, pointed his gun back toward the road with one hand, and itched his chin with the other.

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