Cataplexy
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  Cataplexy



Cataplexy

    Episodes of sudden bilateral loss of muscle tone resulting in the individual collapsing, often in association with intense emotions such as laughter, anger, fear, or surprise.

RELATED TERMS
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Bilateral
Affecting both sides.

Muscle
Tissue made up of bundles of long, slender cells that contract when stimulated.

Association
1. In dysmorphology (the study of birth defects), the nonrandom occurrence in two or more individuals of a pattern of multiple anomalies (birth defects) not known to be a malformation syndrome (such as Down syndrome), a malformation sequence (of events) or what is called a polytopic field defect (in which all of the defects are concentrated in one particular area of the body). An example of an association in dysmorphology is the VACTERL association of birth defects. 2. In genetics, the occurrence together of two or more characteristics more often than would be expected by chance alone. An example of association involves a feature on the surface of white blood cells called HLA (HLA stands for human leukocyte antigen). A particular HLA type, HLA type B-27, is associated with an increased risk for a number of diseases including ankylosing spondylitis. The extent of the association is enormous. Ankylosing spondylitis is 87 times more likely to occur in people with HLA B-27 than in the general population.

Emotions
Those affective states which can be experienced and have arousing and motivational properties.

Anger
An emotional state that may range in intensity from mild irritation to intense fury and rage. Anger has physical effects including raising the heart rate and blood pressure and the levels of adrenaline and noradrenaline.

Fear
The affective response to an actual current external danger which subsides with the elimination of the threatening condition.



SIMILAR TERMS
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Catabolism
The energy-burning aspect of metabolism.

Cataflam
A medicine used in the treatment of the signs and symptoms of osteoarthritis and rheumatoid arthritis.

Catalca Devlet ve Bolge Trafik Hastanesi
The Catalca Devlet ve Bolge Trafik Hastanesi is a hospital in Istanbul, Turkey.

Catalepsy
Waxy flexibility--rigid maintenance of a body position over an extended period of time.

Catalysis
The process by which a substance speeds up a chemical reaction without being consumed or altered in the process. Substances that can accomplish this remarkable feat are termed catalysts and are of immense importance in chemistry and biology.

Catalyst
A substance that speeds up a chemical reaction but is not consumed or altered in the process. Catalysts are of immense importance in chemistry and biology.

Catamarca doctors
All doctors near Catamarca, Argentina. Doctors who can assist a patient in Catamarca.

Catamenia
Menstruation.

Catania doctors
All doctors near Catania, Italy. Doctors who can assist a patient in Catania.

Catanzaro doctors
All doctors near Catanzaro, Italy. Doctors who can assist a patient in Catanzaro.

Cataplasm
A poultice or plaster. A soft moist mass, often warm and medicated, that is spread over the skin to treat an inflamed, aching or painful area, to improve the circulation, etc. From the Greek kataplasma, poultice, from kataplasso, to spread over.

Catapres
Catapres is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): clonidine hydrochloride.

Catapres-tts-1
Catapres-tts-1 is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): clonidine.

Catapres-tts-2
Catapres-tts-2 is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): clonidine.

Catapres-tts-3
Catapres-tts-3 is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): clonidine.

Cataract
Opacity or cloudiness of the crystalline lens, which may prevent a clear image from forming on the retina. Surgical removal of the lens may be necessary if visual loss becomes significant, with lost optical power replaced with an intraocular lens, contact lens, or aphakic spectacles. May be congenital or caused by trauma, disease, or age.

Cataract surgery
Removal of the clouded lens (the cataract) in its entirety by surgery, usually followed by replacement of the lens with an intraocular lens (IOL) made of plastic, silicone, acrylic or other material. The operation typically takes about an hour, is done under local anesthetic only, and does not require hospitalization.

Cataract with poikiloderma atrophicans
Also known as the Rothmund-Thomson syndrome, this is an hereditary disease characterized by progressive degeneration (atrophy), scarring and abnormal pigmentation of the skin together with stunting of growth, baldness, cataracts, depressed nasal bridge, and malformations of the teeth, nails and bone.

Cataract, nuclear
A cataract that occurs in the center (the nucleus) of the lens.

Cataract, primary
A cataract that develops independently of other diseases. A primary cataract is in contrast to a secondary cataract, one that is secondary to another disease.

Cataract, secondary
A cataract that develops secondary to another disease or surgery. The other disease may, for example, be glaucoma or retinal detachment. A secondary cataract is in contrast to a primary cataract, one that develops independently of any other disease.

Cataract, supranuclear
A cataract just above the center (the nucleus) of the lens.

Cataracts
Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence).

Catarase
Catarase is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): chymotrypsin.

Catarrh
Inflammation of a mucous membrane with free discharge.

Catatonia
A psychiatric syndrome of being immobile and unresponsive to sensory stimuli, but not unaware of them.

Catatonic
1. Characterized by marked motor abnormalities including immobility (catalepsy or stupor), excessive motor activity (purposeless agitation), extreme negativism, mutism, posturing or stereotyped movements, echolalia, and/or echopraxia.2. A person with catatonia or catatonic schizophrenia.

Catatonic behavior
Marked motor abnormalities including motoric immobility (i.e., catalepsy or stupor), certain types of excessive motor activity (apparently purposeless agitation not influenced by external stimuli), extreme negativism (apparent motiveless resistance to instructions or attempts to be moved) or mutism, posturing or stereotyped movements, and echolalia or echopraxia.

Catawba Memorial Hospital
The Catawba Memorial Hospital is a hospital in Hickory, North Carolina, United States.



PREVIOUS AND NEXT TERMS
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Cytomegaly
Marked enlargement of cells.

Cholecystotomy
Incision into the gallbladder.

Categorical attitude
Abstract attitude. This is a type of thinking that includes voluntarily shifting one's mind set from a specific aspect of a situation to the general aspect; It involves keeping in mind different simultaneous aspects of a situation while grasping the essentials of the situation. It can involve breaking a situation down into its parts and isolating them voluntarily; planning ahead ideationally; and/or thinking or performing symbolically. A characteristic of many psychiatric disorders is the person's inability to assume the abstract attitude or to shift readily from the concrete to the abstract and back again as demanded by circumstances.

Capgra's syndrome
The delusion that others, or the self, have been replaced by imposters. It typically follows the development of negative feelings toward the other person that the subject cannot accept and attributes, instead, to the imposter. The syndrome has been reported in paranoid schizophrenia and, even more frequently, in organic brain disease.

Catalepsy
Waxy flexibility--rigid maintenance of a body position over an extended period of time.

Cataplexy

Catatonic behavior
Marked motor abnormalities including motoric immobility (i.e., catalepsy or stupor), certain types of excessive motor activity (apparently purposeless agitation not influenced by external stimuli), extreme negativism (apparent motiveless resistance to instructions or attempts to be moved) or mutism, posturing or stereotyped movements, and echolalia or echopraxia.

Catharsis
The healthful (therapeutic) release of ideas through "talking out" conscious material accompanied by an appropriate emotional reaction. Also, the release into awareness of repressed ("forgotten") material from the unconscious. See also repression.

Cathexis
Attachment, conscious or unconscious, of emotional feeling and significance to an idea, an object, or, most commonly, a person.

Cerea flexibilitas
The "waxy flexibility" often present in catatonic schizophrenia in which the patient's arm or leg remains in the position in which it is placed.

Circumstantiality
Pattern of speech that is indirect and delayed in reaching its goal because of excessive or irrelevant detail or parenthetical remarks. The speaker does not lose the point, as is characteristic of loosening of associations, and clauses remain logically connected, but to the listener it seems that the end will never be reached.

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