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| This glossary contains: 19186 medical terms |
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Pseudostrabismus
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Pseudostrabismus A child's eyes appear to be out-of-alignment, and usually one eye appears to turn in. In infants this appearance is especially noticeable when there is excessive skin on either side of the nose that covers the inner corner of each eye. As the child looks to one side, part of the eye disappears under this skin and looks crossed. This condition is common in Asian - Americans.
RELATED TERMS--------------------------------------
Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).
Eye
The organ of sight. The eye has a number of components. These components include but are not limited to the cornea, iris, pupil, lens, retina, macula, optic nerve, choroid and vitreous.
Condition
The term "condition" has a number of biomedical meanings including the following: 1.An unhealthy state, such as in "this is a progressive condition." 2.A state of fitness, such as "getting into condition." 3.Something that is essential to the occurrence of something else; essentially a "precondition." 4.As a verb: to cause a change in something so that a response that was previously associated with a certain stimulus becomes associated with another stimulus; to condition a person, as in behavioral conditioning.
SIMILAR TERMS--------------------------------------
Pseudo-12
Pseudo-12 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): pseudoephedrine polistirex.
Pseudocyesis
Included in DSM-IV as one of the somatoform disorders. It is characterized by a false belief of being pregnant and by the occurrence of signs of being pregnant, such as abdominal enlargement, breast engorgement, and labor pains.
Pseudodementia
A syndrome in which dementia is mimicked or caricatured by a functional psychiatric illness. Symptoms and response of mental status examination questions are similar to those found in verified cases of dementia. In pseudodementia, the chief diagnosis to be considered in the differential is depression in an older person vs. cognitive deterioration on the basis of organic brain disease.
Pseudoephedrine hcl
Pseudoephedrine hcl 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): pseudoephedrine hydrochloride.
Pseudoephedrine hcl and chlorpheniramine maleate
Pseudoephedrine hcl and chlorpheniramine maleate 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): chlorpheniramine maleate; pseudoephedrine hydrochloride.
Pseudoephedrine hcl and triprolidine hcl
Pseudoephedrine hcl and triprolidine hcl 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): pseudoephedrine hydrochloride; triprolidine hydrochloride.
Pseudoephedrine hcl-chlorpheniramine maleate
Pseudoephedrine hcl-chlorpheniramine maleate 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): chlorpheniramine maleate; pseudoephedrine hydrochloride.
Pseudogout
Acute joint inflammation caused by crystals of calcium pyrophosphate.
Pseudohermaphrodite
Synonym for hermaphrodite when the gonads are either both testes or both ovaries.
Pseudohermaphroditism
Hermaphroditism. The prefix was once used to denote the fact that the gonads were not hermaphroditically mixed (ovarian plus testicular tissue) as in true hermaphroditism, but were either testicular (male pseudohermaphroditism) or ovarian (female pseudohermaphroditism). In modern usage, the preferred terms are male, female, and true hermaphroditism. Agonadal hermaphroditism is a fourth form.
Pseudomembranous colitis
Severe irritation of the colon caused by Clostridium difficile bacteria. Occurs after taking oral antibiotics, which kill bacteria that normally live in the colon.
PREVIOUS AND NEXT TERMS--------------------------------------
Pentobarbital
A hypnotic substance.
Psychotic
In the technical sense this term refers to a groups of severe mental illness where the person has periods of loses contact with reality. In a less formal manner, it is used to refer to the condition of having lost contact with reality. The person experiences severe impairment in his/her ability to function. All areas of a person's life are usually effected. Common symptoms: Hallucinations, delusions, withdrawal, impairment of intellectual function, lose of personal care skills.
Peripheral vision
Also called "side vision". That part of vision that detects objects outside of where we are directly focusing our eyes. When we look directly at something we are using the fovea - that part of our retina where there is a high density of cone photoreceptors and thus allows for detailed vision. The fovea is part of the macula - that part of our retina with mostly cone photoreceptors and used for day time vision. Outside of the macula is what is typically referred to as peripheral vision, and peripheral vision is dominated by the rod photoreceptors. Peripheral vision is used mainly for detecting objects and in directing where we should fixate our fovea or central vision. Peripheral vision is used mostly during the night. Without peripheral vision, we would have "tunnel vision". If a person has a significant loss of peripheral vision the person would be legally blind. See legal blindness.
Photophobia
Severe discomfort to bright lights. Usually a symptom of eye disease, such as glaucoma, in an infant or retinal disease in a child or adult. Sometimes treated with dark sunglasses.
PRK
PRK stands for Photo Refractive Keratectomy which is a form of refractive surgery to correct a refractive error such as myopia. A laser is used to remove a front layer of cells of the cornea to change the refractive state of the eye so that glasses are no longer needed. Complications include under or over correction of the refractive error and glare problems, particularly at night with oncoming head lights. If serious infection occurs, blindness might result.
Pseudostrabismus
Pterygium
A triangular membrane with blood vessels which grows from the sclera toward the occasionally onto the cornea. It occurs more often on the nasal side of the eye. It is more common in dusty and windy climates. Surgery is often necessary.
Ptosis
A drooping of the upper eyelid. In children it is usually a congenital problem. It rarely causes amblyopia. Most children simply hold their heads back if the droop is severe. Surgery, the only treatment, is usually suggested prior to starting school when the appearance is cosmetically unacceptable.
Pupil
A circular opening in the center of the iris. The size of the pupil changes according to the amount of light present. It is small in sunlight and large in a dark room.
Paxil
Paroxetime: a selective-serotonin reuptake inhibitor commonly prescribed as an antidepressant (trade name Paxil).
Psoriasis treatment
A particular set of medical actions and interventions aimed at fighting a patient's psoriasis condition.
RELATED TERMS--------------------------------------
Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).
Eye
The organ of sight. The eye has a number of components. These components include but are not limited to the cornea, iris, pupil, lens, retina, macula, optic nerve, choroid and vitreous.
Condition
The term "condition" has a number of biomedical meanings including the following: 1.An unhealthy state, such as in "this is a progressive condition." 2.A state of fitness, such as "getting into condition." 3.Something that is essential to the occurrence of something else; essentially a "precondition." 4.As a verb: to cause a change in something so that a response that was previously associated with a certain stimulus becomes associated with another stimulus; to condition a person, as in behavioral conditioning.
SIMILAR TERMS--------------------------------------
Pseudo-12
Pseudo-12 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): pseudoephedrine polistirex.
Pseudocyesis
Included in DSM-IV as one of the somatoform disorders. It is characterized by a false belief of being pregnant and by the occurrence of signs of being pregnant, such as abdominal enlargement, breast engorgement, and labor pains.
Pseudodementia
A syndrome in which dementia is mimicked or caricatured by a functional psychiatric illness. Symptoms and response of mental status examination questions are similar to those found in verified cases of dementia. In pseudodementia, the chief diagnosis to be considered in the differential is depression in an older person vs. cognitive deterioration on the basis of organic brain disease.
Pseudoephedrine hcl
Pseudoephedrine hcl 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): pseudoephedrine hydrochloride.
Pseudoephedrine hcl and chlorpheniramine maleate
Pseudoephedrine hcl and chlorpheniramine maleate 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): chlorpheniramine maleate; pseudoephedrine hydrochloride.
Pseudoephedrine hcl and triprolidine hcl
Pseudoephedrine hcl and triprolidine hcl 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): pseudoephedrine hydrochloride; triprolidine hydrochloride.
Pseudoephedrine hcl-chlorpheniramine maleate
Pseudoephedrine hcl-chlorpheniramine maleate 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): chlorpheniramine maleate; pseudoephedrine hydrochloride.
Pseudogout
Acute joint inflammation caused by crystals of calcium pyrophosphate.
Pseudohermaphrodite
Synonym for hermaphrodite when the gonads are either both testes or both ovaries.
Pseudohermaphroditism
Hermaphroditism. The prefix was once used to denote the fact that the gonads were not hermaphroditically mixed (ovarian plus testicular tissue) as in true hermaphroditism, but were either testicular (male pseudohermaphroditism) or ovarian (female pseudohermaphroditism). In modern usage, the preferred terms are male, female, and true hermaphroditism. Agonadal hermaphroditism is a fourth form.
Pseudomembranous colitis
Severe irritation of the colon caused by Clostridium difficile bacteria. Occurs after taking oral antibiotics, which kill bacteria that normally live in the colon.
PREVIOUS AND NEXT TERMS--------------------------------------
Pentobarbital
A hypnotic substance.
Psychotic
In the technical sense this term refers to a groups of severe mental illness where the person has periods of loses contact with reality. In a less formal manner, it is used to refer to the condition of having lost contact with reality. The person experiences severe impairment in his/her ability to function. All areas of a person's life are usually effected. Common symptoms: Hallucinations, delusions, withdrawal, impairment of intellectual function, lose of personal care skills.
Peripheral vision
Also called "side vision". That part of vision that detects objects outside of where we are directly focusing our eyes. When we look directly at something we are using the fovea - that part of our retina where there is a high density of cone photoreceptors and thus allows for detailed vision. The fovea is part of the macula - that part of our retina with mostly cone photoreceptors and used for day time vision. Outside of the macula is what is typically referred to as peripheral vision, and peripheral vision is dominated by the rod photoreceptors. Peripheral vision is used mainly for detecting objects and in directing where we should fixate our fovea or central vision. Peripheral vision is used mostly during the night. Without peripheral vision, we would have "tunnel vision". If a person has a significant loss of peripheral vision the person would be legally blind. See legal blindness.
Photophobia
Severe discomfort to bright lights. Usually a symptom of eye disease, such as glaucoma, in an infant or retinal disease in a child or adult. Sometimes treated with dark sunglasses.
PRK
PRK stands for Photo Refractive Keratectomy which is a form of refractive surgery to correct a refractive error such as myopia. A laser is used to remove a front layer of cells of the cornea to change the refractive state of the eye so that glasses are no longer needed. Complications include under or over correction of the refractive error and glare problems, particularly at night with oncoming head lights. If serious infection occurs, blindness might result.
Pseudostrabismus
Pterygium
A triangular membrane with blood vessels which grows from the sclera toward the occasionally onto the cornea. It occurs more often on the nasal side of the eye. It is more common in dusty and windy climates. Surgery is often necessary.
Ptosis
A drooping of the upper eyelid. In children it is usually a congenital problem. It rarely causes amblyopia. Most children simply hold their heads back if the droop is severe. Surgery, the only treatment, is usually suggested prior to starting school when the appearance is cosmetically unacceptable.
Pupil
A circular opening in the center of the iris. The size of the pupil changes according to the amount of light present. It is small in sunlight and large in a dark room.
Paxil
Paroxetime: a selective-serotonin reuptake inhibitor commonly prescribed as an antidepressant (trade name Paxil).
Psoriasis treatment
A particular set of medical actions and interventions aimed at fighting a patient's psoriasis condition.
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This dictionary contains 19186 terms.
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