miosis


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Related to miosis: meiosis, Horner's syndrome
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  • noun

Synonyms for miosis

(genetics) cell division that produces reproductive cells in sexually reproducing organisms

reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller

References in periodicals archive ?
The development of Horner syndrome (ptosis, miosis, and anhidrosis) is an expected outcome in almost all patients, and therefore it warrants preoperative discussion.
Age Clinical findings Outcome SAE12/07 5 y Neurologic signs, Survived hind and fore limb ataxia, pupil miosis, head held to left SAE89/08 1 y Neurologic signs, Died hind and forelimb (euthanized ataxia, fever, after week of complete paralysis, fluid therapy) anorexia, hepatitis HS101/08 8 y Neurologic signs, Died severe ataxia especially hind limb, seizures and chewing, froth from mouth, fever, recumbency, paralysis M123/084 4 mo Fever, neurologic Died signs, paralysis (Schiff-Sherington sign), rectal prolapse 8 mo Neurologic signs, Died (shot by ataxia, mild colic, owner) swollen head and neck 6 y Neurologic signs, Died head hanging, sick suddenly for week SAE134/09 19 y Neurologic signs, Survived partial blindness, hyperexcitability, seizures Case no.
Walker and Zacny (32) found dose-related miosis and no effects on other physiologic measures after single 60- and 120-mg doses of oral codeine.
In general, 'little bit' is a miosis that is inserted apologetically into political discourse as if to mollify gross pretension.
Plasma acetylcholinesterase levels in these suicide cases were usually [is less than] 1,000 [Micro] U/L, and patients showed severe clinical conditions, most often miosis and conscious disturbance.
Symptoms of poisoning, after ingesting the berries, include nausea, vomiting, diarrhea, miosis (contraction of the eye pupil) and headache.
Combining the results of five studies, Weale (1963) estimated that between the ages of 20 and 60 years senile miosis, or excessive smallness or contraction of the pupil, is able to account for about 70% of this decline and lenticular yellowing for another 10%.
Two cases involved only conjunctivitis or temporary miosis (pupillary constriction) secondary to direct eye exposure.
The cloning of a paramecium, for example, is not only a self-replication but also a self-representation--this may be particularly obvious in the case of miosis, when the chromosomes and their genes are being copied, hence also represented configuratively.
Other less common adverse reactions known with opioid treatment that were seen <1% in the oxymorphone hydrochloride extended-release tablets trials include the following: Bradycardia, palpitation, syncope, tachycardia, postural hypotension, miosis, abdominal distention, ileus, hot flashes, allergic reactions, hypersensitivity, urticaria, oxygen saturation decreased, central nervous system depression, depressed level of consciousness, agitation, dysphoria, euphoric mood, hallucination, mental status changes, difficult micturition, urinary retention, hypoxia, respiratory depression, respiratory distress, clamminess, dermatitis, hypotension.
As noted in Omeros' second quarter 2015 earnings release, the European Commission (EC) approved Omidria for use in cataract surgery and lens replacement procedures to maintain mydriasis (pupil dilation), prevent miosis (pupil constriction) and to reduce postoperative eye pain.
Horner's syndrome is characterised by unilateral miosis, which occurs due to the unopposed constriction of the sphincter pupillae muscle.
At the [kappa] receptors the effects are analgesia, sedation, dyspnea, psychomimetic effects, miosis, respiratory depression, euphoria, and dysphoria.
Common toxidromes in illicit drug use Toxidrome Features Drugs implicated Adrenergic Hypertension, tachycardia, Amphetamines, mydriasis, diaphoresis, cocaine, ephedrine, agitation, dry mucus membranes phencyclidine Sedative Stupor and coma, confusion, Barbiturates, slurred speech, apnoea benzodiazepines, ethanol, opiates Hallucinogenic Hallucinations, psychosis, Amphetamines, panic, fever, hyperthermia cannabinoids, cocaine Narcotic Altered mental status, slow Opiates shallow breaths, miosis, bradycardia, hypotension, hypothermia, decreased bowel sounds Epileptogenic Hyperthermia, hyperrreflexia, Cocaine, tremors, seizures phencyclidine Adapted from Devlin and Henry.
1,2) Patients present with nausea, vomiting, bradycardia and either miosis or mydriasis, which may result in misdiagnosis as organophosphate or carbamate poisoning.