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Encyclopedia > Miosis
Miosis
ICD-10 H570
ICD-9 379.42
Miosis should not be confused with meiosis, the cellular division process involved in sexual reproduction.

Miosis is a medical term for constriction of the pupil. It is the opposite of mydriasis. It is seen in a variety of medical conditions, and can also be caused by certain drugs and chemicals. Eye drops used to intentionally cause miosis are known as "miotics". Extreme miosis is commonly called "pinpoint pupils". The following codes are used with International Statistical Classification of Diseases and Related Health Problems. ... // H00-H59 - Diseases of the eye and adnexa (H00-H06) Disorders of eyelid, lacrimal system and orbit (H00) Hordeolum and chalazion (H000) Hordeolum and other deep inflammation of eyelid (H001) Chalazion (H01) Other inflammation of eyelid (H010) Blepharitis (H011) Noninfectious dermatoses of eyelid (H02) Other disorders of eyelid (H020) Entropion... The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. ... In biology, meiosis is the process that transforms one diploid cell into four haploid cells in eukaryotes in order to redistribute the diploids cells genome. ... Sexual reproduction is a type of reproduction that results in increasing genetic diversity of the offspring. ... The human eye The pupil is the central transparent area (showing as black). ... An abnormally dilated pupil. ...

Contents


Causes

Diseases

Horners syndrome is a set of symptoms on one side of the face suggesting damage to the sympathetic nervous system. ... Grays FIG. 838– The right sympathetic chain and its connections with the thoracic, abdominal, and pelvic plexuses. ... Pancoast tumor is a tumor of the pulmonary apex. ... Lung cancer is a cancer of the lungs characterized by the presence of malignant tumours. ... The lungs flank the heart and great vessels in the chest cavity. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Position of the pons in the human brain The pons (sometimes pons Varolii after Costanzo Varolio) is a knob on the brain stem. ... This article needs cleanup. ...

Drugs

An opioid is any agent that binds to opioid receptors found principally in the central nervous system and gastrointestinal tract. ... Codeine (INN) or methylmorphine is an opioid used for its analgesic, antitussive and antidiarrheal properties. ... Morphine (INN), the principal active agent in opium, is a powerful opioid analgesic drug. ... Heroin or diacetylmorphine (INN) is a semi-synthetic opioid. ... The term antipsychotic is applied to a group of drugs used to treat psychosis. ... Haloperidol (sold as Aloperidin®, Bioperidolo®, Brotopon®, Dozic®, Einalon S®, Eukystol®, Haldol®, Halosten®, Keselan®, Linton®, Peluces®, Serenace®, Serenase®, Sigaperidol®) is a conventional butyrophenone antipsychotic drug. ... Chlorpromazine was the first antipsychotic drug, used during the 1950s and 1960s. ... A synapse is cholinergic if it uses acetylcholine as its neurotransmitter. ... Chemotherapy is the use of chemical substances to treat disease. ... Camptothecin is an anti-cancer agent that damages DNA, leading to the destruction of the cell. ... Clinical Info Chemistry and pharmacokinetics Carbachol is a choline ester and a positively charged quaternary ammonium compound. ... Neostigmine is a parasympathomimetic, specifically, a reversible cholinesterase inhibitor. ... Trazodone (Desyrel®, Trittico®, Thombran®, Trialodine®) is a psychoactive compound with sedative, anxiolytic, and antidepressant properties. ...

External links

  • FP Notebook
  • GP Notebook
  • DDB 8243

  Results from FactBites:
 
Miosis (0 words)
Constriction of pupils - miosis - is developing in cases of injury or irritation of the vegetative innervation of pupils.
There are 2 types of miosis: paralytic, depending on the injury of pupil dilator due to the block of its sympathetic tracts, and spastic, connected with the spasm of pupil sphincter as a result of its parasympathetic tracts irritation.
Unilateral miosis is of great importance for topic diagnosis of injuries to the central nervous system, especially in vertebro-basilar basin.
006 Nerve Agents (5414 words)
Miosis is bilateral in an unprotected individual, but occasionally may be unilateral in a masked person with a leak in his mask eyepiece.
Miosis is often accompanied by complaints of pain, dim vision, blurred vision, conjunctival injection, nausea, and occasionally, vomiting.
Miosis is a useful sign of exposure to vapor but does not occur after a liquid exposure unless the amount of exposure is large or the exposure is in or close to the eye.
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