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Miosis 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. cnri.edu /coursedemo/Pupils_and_Pupillary_Symptoms/Miosis.htm   (0 words)

006 Nerve Agents 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. www.brooksidepress.org /Products/OperationalMedicine/DATA/operationalmed/Manuals/RedHandbook/006NerveAgents.htm   (5414 words)

miosis | | Dictionary & Translation by Babylon 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. Miosis ist der medizinische Begriff für eine Verengung der Pupille aufgrund der Kontraktion eines Ringmuskels, des Musculus sphincter pupillae. www.babylon.com /definition/miosis/All   (301 words)

Science Fair Projects - Miosis Miosis is a medical term for constriction of the pupil. Pancoast tumor (a tumor of the apical lung), due to damage to the ascending sympathetic tract that would normally cause the pupil to dilate. Miosis should not be confused with meiosis, the cellular division process at the heart of sexual reproduction. www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Miosis   (249 words)

NorthStar Preparedness Network - Nerve Agents Effects Changes occur in the smooth muscle of the eye, resulting in miosis and in the smooth muscle and secretory glands of the bronchi, producing bronchial constriction and excessive secretions in the upper and lower airways. Exposure to a level of a nerve agent vapour slightly above the minimal symptomatic dose results in miosis, pain in and behind the eyes attributable to ciliary spasm, especially on focusing, some difficulty of accommodation and frontal headache. Miosis remains marked during the first day after exposure and then diminishes gradually over 2 to 3 days after moderate exposure but may persist for as long as 14 days after severe exposure. www.preparednessnetwork.org /northstar/warfare/nerveeff.html   (1810 words)

Sarin In view of the patients’ peculiar signs of miosis and markedly decreased serum ChE levels, an OP compound was suspected to be the causative agent and PAM was initiated in two cases before sarin was identified as the causative agent. Miosis was the most common sign present in 105 patients, most with pupils of less than 1 mm in diameter. Miosis was severe and persistent, showing unresponsive to intravenous atropine sulfate and continuing over 1 week unless mydriatic agents were applied locally. www.angelo.edu /faculty/estraka/sarin.htm   (2596 words)

miosis - Search Results - MSN Encarta Miosis is a medical term for constriction of the pupil. MySpace Profile - MIOSIS, Gothenburg,, SE, It follows in the footsteps of the unrealised ruin... Constriction of the pupil of the eye, resulting from a normal response to an increase in light or... uk.encarta.msn.com /miosis.html   (0 words)

miosis(bilateral) - General Practice Notebook   (Site not responding. Last check: ) There are several circumstances where bilateral miosis may occur. pontine haemorrhage or tumour may cause bilateral miosis possibly by affection of both sympathetic pathways. in old people, senile miosis occurs as a result of fibrous replacement of the sphincter pupillae muscles. www.gpnotebook.co.uk /cache/-1254817782.htm   (119 words)

miosis information,mitosis   (Site not responding. Last check: ) In biology, miosis is the process of chromosome segregation and nuclear division that follows replication of the genetic material in eukaryotic cells. miosis is divided into several stages, with the remainder of the cell's growth cycle considered interphase. The task of miosis is to assure that one copy of each sister chromatid - and onlyone copy - goes to each daughter cell after cell division. www.eaa-smt.org /miosis.html   (935 words)

IngentaConnect Alfentanil-Induced Miosis as a Surrogate Measure of Alfentanil Ph... IngentaConnect Alfentanil-Induced Miosis as a Surrogate Measure of Alfentanil Ph... There was a significant decrease in pharmacokinetics and miosis pseudo-kinetics in cirrhotic patients compared with volunteers from the historical control group. Alfentanil-induced miosis has the advantage of being noninvasive and can be limited to miosis measurements during the first 2 hours after alfentanil administration in cirrhotic patients. www.ingentaconnect.com /content/adis/cpk/2007/00000046/00000003/art00006   (0 words)

FACT SHEET ON EXPOSURE LIMITS FOR SARIN The lowest doses of sarin that could cause miosis and cholinesterase depression were observed in these experiments. Note: The dose for sarin which causes these mild health effects, such as miosis, is about 100 times lower than the dose of sarin that could be fatal. The dose for miosis was observed in experiments with human volunteers. www.gulflink.osd.mil /al_muth_ii/al_muth_ii_refs/n68en081/low_lv_chem_fact.htm   (1223 words)

Chapter 5   (Site not responding. Last check: ) Unilateral miosis is sometimes seen in workers handling nerve agents or insecticides and usually occurs because of a small leak in the eyepiece of the protective mask. The onset of miosis may be within seconds to minutes of the start of exposure; if the concentration of agent vapor or aerosol is quite low, maximal miosis may not occur until an hour or longer following exposure. in which miosis was induced in one eye by instillation of sarin, the decrease in visual sensitivity correlated with the reduction in the area of pupillary aperture. web.usf.edu /sequence/feces/MedicalAspectsofNBC/chapters/chapter_5.htm   (11958 words)

Nerve Agent Overview Changes occur in the smooth muscle of the eye, resulting in miosis (contraction of the pupil); also in the smooth muscle and secretory glands of the bronchi, producing bronchial constriction and excessive secretions in the upper and lower airways. Exposure to a level of a nerve agent vapor slightly above the minimal symptomatic dose results in miosis; pain in and behind the eyes attributable to ciliary spasm, especially on focusing; some difficulty of accommodation; and frontal headache. Since inhalation will be the most common route of exposure, the most likely initial symptom will be rhinorrhea (runny nose), then miosis (dim vision), followed by a feeling of tightness or constriction in the chest. www.sc-ems.com /ems/NuclearBiologicalChemical/NerveAgentOverview/nerveagentoverview.htm   (8457 words)

Alfentanil-induced miosis clearance as a liver CYP3A4 and 3A5 activity measure in healthy volunteers: improvement of exp Alfentanil-induced miosis clearance as a liver CYP3A4 and 3A5 activity measure in healthy volunteers: improvement of experimental conditions. The aims of this study were to demonstrate the correlation between alfentanil-induced miosis evaluation and alfentanil pharmacokinetics (PK) as a CYP3A4 and 3A5 activity probe in volunteers and to explain the variability in pupilar response and in alfentanil PK. In dark, a similar correlation was observed between miosis and alfentanil clearances (r = 0.85, P =.03). www.galenicom.com /medline/article/16291719/mt:Alfentanil   (307 words)

✓ Miosis - Sucht-Selbsthilfe.de - SuchtSelbsthilfe Miosis ist der medizinische Begriff für eine Verengung der Pupille aufgrund der Kontraktion eines Ringmuskels, des Musculus sphincter pupillae. Die Miosis wird bei Lichteinfall parasympathisch ausgelöst und kann durch ein Mydriatikum (z.B. Atropin) gehemmt werden. Durch die Miosis bedingt wird die Irisfläche vergrößert. sucht-selbsthilfe.de /index.php/Miosis   (0 words)

NERVE AGENTS Liquid agent on the skin will not cause miosis if the amount of liquid is small; a moderate amount of liquid may or may not cause miosis; and a lethal or near-lethal amount of agent usually causes miosis. A casualty with miosis and rhinorrhea should be given one MARK I only if the rhinorrhea is severe and troublesome (he can not keep his mask on because of fluid). A casualty with mild to moderate dyspnea should be given one or two MARK I's, depending on the severity of his distress and the time between exposure and therapy. www.fas.org /nuke/guide/usa/doctrine/army/mmcch/NervAgnt.htm   (5332 words)

FM 8-9 Part III/Chptr 2 Nerve Agents Miosis from vapour exposure is not relieved by systemic atropine. However, expert opinion on the value of atropine containing eye drops in the management of nerve agent induced miosis remains divided. It is believed by some that problems of accommodation may be made worse by the application of the drops and that, overall, little benefit may be produced. www.fas.org /nuke/guide/usa/doctrine/dod/fm8-9/3ch2.htm   (5383 words)

Dorlands Medical Dictionary miosis due to paralysis of the dilator of the iris. miosis due to spasm of the sphincter pupillae. pertaining to, characterized by, or producing miosis (def. www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_m_17zPzhtm   (0 words)

Miosis Miosis news vertical portal can now be syndicated quickly and easily using our new Really Simple Syndication feeds. Miosis is a frequent diagnostic sign of organophosphate poisoning. For any further understanding that could lead to the prevention, treatment, and/or cure of the disorders, we recommend that affected individuals seek the advice or counsel of his or her own personal physician(s). miosis.diseasemap.com /section_2022_1.html   (0 words)

The Less Common Symptoms of a Stroke   (Site not responding. Last check: ) Horner's syndrome affects the muscles around the eye, causing symptoms such as ptosis and miosis. Ptosis refers to a "droopy eyelid." Miosis describes an involuntary contraction of the pupil. The presence of either ptosis or miosis should lead to an investigation of a possible stroke. www.stroke-symptoms.com /html/other-stroke-symptoms.php3   (638 words)

News | TimesDaily.com | TimesDaily | Florence, AL   (Site not responding. Last check: ) Visual stimuli enters the eye, and through the retinal photoceptors is converted into an electric impulse, carried through the optic nerve (cranial nerve II) to the brain, where it connects to the pretectal nucleus of the high midbrain. Visceromotor nerve axons (which constitute a portion of the III cranial nerve, along with the somatomotor portion derived from the Edinger-Westphal nucleus) synapse on ciliary ganglion neurons, whose parasympathetic axons innervate the constrictor muscle of the iris, producing miosis. A miotic substance causes the constriction of the pupil of the eye (or miosis). www.timesdaily.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=miosis   (324 words)

Weapons of Mass Casualties - Part Three The intensity and sequence of the symptoms is, however, influenced by the route of absorption and by individual sensitivity. Miosis appears to be a consistent clinical finding with nerve agent vapor exposure. Miosis may be a delayed in VX exposure, since this agent is most commonly absorbed from the skin.. www.emsvillage.com /articles/article.cfm?id=1241   (2069 words)

Sensitivity of Intravenous and Oral Alfentanil and Pupillary Miosis as Minimally Invasive and Noninvasive Probes for ... Sensitivity of Intravenous and Oral Alfentanil and Pupillary Miosis as Minimally Invasive and Noninvasive Probes for Hepatic and First-Pass CYP3A Activity -- Kharasch et al. Pupil miosis AUC ratios were 0.9, 1.0, and 1.2*. are needed to increase the sensitivity of alfentanil miosis jcp.sagepub.com /cgi/content/abstract/45/10/1187   (436 words)

Definition of miosis - Merriam-Webster Online Dictionary Learn more about "miosis" and related topics at Britannica.com Find more about "miosis" instantly with Live Search See a map of "miosis" in the Visual Thesaurus www.m-w.com /cgi-bin/dictionary?book=Dictionary&va=miosis   (53 words)

Anisocoria for medical students & primary care physician Ptosis, miosis, and facial anhydrosis are noted in Horner’s syndrome; the congenital disease is also associated with iris heterochromia. Response to light and near testing is usually intact although anisocoria is greater in dim light. Pharmacologic miosis: most commonly secondary to unilateral instillation of a miotic drop for the treatment of glaucoma. www.eyeweb.org /anisocoria.htm   (431 words)

Ophthalmology Management They've been shown to reduce the risk of CME and are known to minimize intraoperative miosis when given preoperatively. We concluded that ketorolac was effective as a single agent for use as an antimiotic and anti-inflammatory in cataract surgery. I have continued to use it without problems, and it's been effective in reducing intraoperative miosis, minimizing inflammation and CME and reducing discomfort. www.ophmanagement.com /article.aspx?article=85746   (1370 words)

Impakte.com : Miosis - Konvolut (2007) Vous êtes ici : Accueil » Chroniques » Miosis - Konvolut A chaque fois que je reçois un album de la part d’un groupe non signé et/ou amateur, j’appréhende toujours sa première écoute, par peur de ce qu’il va contenir tant musicalement que qualitativement parlant, surtout que ledit groupe est en attente de sa chronique. Sauf que notre galette actuelle est le fruit de Miosis (avec un i), et ce n’est nullement une diminution d’une quelconque nature, mais plutôt d’une illumination post Toolesque. www.impakte.com /chroniques/miosis-konvolut.php   (0 words)

www.myspace.com/miosisband Miosis was founded in the late summer of 2005. It sprung from the group Soma soul transfusion who had recorded two EP:s; songs of passion in 2003 and Albedo adaptation in 2004. The music of Miosis is creating moods for the somewhat depressive and often self-reflecting poetry, it is about finding a way to create images of the darker corners of the souls, minds and hearts that are explored, contemplated upon and poured out in interesting, tasteful musical arrangements. myspace.com /miosisband   (0 words)

oxycontin side effects by drug side effects.com Pinpoint pupils are a sign of opioid overdose but are not pathognomonic. Marked mydriasisrather than miosis may be seen due to hypoxia in overdose situations. Oxycodone causes a reduction in motility associated with an increase in smooth muscle tone in the antrum of the stomach and duodenum. www.drug-sideeffects.com /oxycontin.htm   (683 words)

Miosis and fluctuation in the rabbit pupil: effects of morphine and naloxone -- Tallarida et al. 201 (3): 587 -- ... Miosis and fluctuation in the rabbit pupil: effects of morphine and naloxone -- Tallarida et al. Articles by Tallarida, R. Articles by Adler, M. Miosis and fluctuation in the rabbit pupil: effects of morphine and naloxone In the unanesthetized rabbit, morphine (12-16 mg/kg i.v.) produced a miosis jpet.aspetjournals.org /cgi/content/abstract/201/3/587   (229 words)

Carbachol Lowers intraocular pressure in the treatment of glaucoma; cause miosis during surgery Symptoms of overdose include miosis, flushing, vomiting, bradycardia, bronchospasm, involuntary urination Atropine is the treatment of choice for intoxications manifesting with significant muscarinic symptoms. Intraocular: Instillation for miosis prior to eye surgery should be gentle and parallel to the iris face and tangential to the pupil border; discard unused portion. www.umm.edu /altmed/ConsDrugs/Carbacholcd.html   (546 words)

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