Macule
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  Macule



Macule

   A discolored, flat spot of skin.

RELATED TERMS
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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).



SIMILAR TERMS
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Macugen
Macugen 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): pegaptanib sodium.

Macula
A specialized part of the retina containing mostly cones. The macula is used for all detailed visual tasks. The center of the macula is called the fovea. If a disease process harms or destroys the macula, vision is usually reduced to 20/200 (legal blindness).

Macula lutea
The cone rich area of the human eye that contains the fovea.

Macular degeneration
Damage or breakdown of the macula, which is an area in the back of the eye that controls central vision. It may be caused by injury or aging; and while it does not progress to total blindness, patients with macular degeneration require special optical aids to enlarge distant and near objects.

Macular Edema
A swelling (edema) in the macula, an area near the center of the retina of the eye that is responsible for fine or reading vision. Macular edema is a common complication associated with diabetic retinopathy.|See also: Diabetic retinopathy; retina.



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Mood
A pervasive and sustained emotion that colors the perception of the world. Common examples of mood include depression, elation, anger, and anxiety. In contrast to affect, which refers to more fluctuating changes in emotional "weather," mood refers to a more pervasive and sustained emotional "climate." Types of mood include: dysphoric, elevated, euthymic, expansive, irritable.

Mood-congruent psychotic features
Delusions or hallucinations whose content is entirely consistent with the typical themes of a depressed or manic mood. If the mood is depressed, the content of the delusions or hallucinations would involve themes of personal inadequacy, guilt, disease, death, nihilism, or deserved punishment. The content of the delusion may include themes of persecution if these are based on self-derogatory~ concepts such as deserved punishment. If the mood is manic, the content of the delusions or hallucinations would involve themes of inflated worth, power, knowledge, or identity, or a special relationship to a deity or a famous person. The content of the delusion may include themes of persecution if these are based on concepts such as inflated worth or deserved punishment.

Mood-incongruent psychotic features
Delusions or hallucinations whose content is not consistent with the typical themes of a depressed or manic mood. In the case of depression, the delusions or hallucinations would not involve themes of personal inadequacy, guilt, disease, death, nihilism, or deserved punishment. In the case of mania, the delusions or hallucinations would not involve themes of inflated worth, power, knowledge, or identity, or a special relationship to a deity or a famous person. Examples of mood-incongruent psychotic features include persecutory delusions (without self-derogatory~ or grandiose content), thought insertion, thought broadcasting, and delusions of being controlled whose content has no apparent relationship to any of the themes listed above.

MI
See Acute Myocardial Infarction.

Multiple abortion
Two or more miscarriages (spontaneous abortions) by a woman. Couples who have had multiple abortions have about a 5% chance that one member of the couple is carrying a chromosome translocation responsible for the miscarriages.

Macule

Malady
Illness.

Malignancy
A tendency to worsen to a more serious illness or death. Commonly used to describe cancer.

Malingering
Deliberate exaggeration of the symptoms of an illness or injury for gain. For example, pretending to be ill in order to escape duty or work.

Malleolus
The rounded bony prominence on either side of the ankle.

Malleus
A small bone in the middle ear, often called the hammer.

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