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Discoid lupus erythematosus
Discoid lupus erythematosus A round, red, scaling rash on the nose, forehead, cheeks, scalp or other areas of the body. It may be associated with systemic lupus erythematosus.
RELATED TERMS--------------------------------------
Rash
A reddish spot or patch of irritated skin. Rashes can be caused byillnesses, allergies, and heat and are usually temporary.
Systemic
Disease or symptoms that affect many different parts of the body.
Lupus
Lupus is a chronic disease in which the body's immune system, instead of serving its normal protective function, forms antibodies and cells that attack healthy tissues and organs. Discoid Lupus affects the skin, causing a rash and scars, most commonly on the face and upper parts of the body.
SIMILAR TERMS--------------------------------------
Disc
Shortened terminology for an intervertebral disc, a disk-shaped piece of specialized tissue that separates the bones of the spinal column.
Disc prolapse
Condition in which an intervertebral disc is damaged and some of it protrudes. May cause sciatica if it does so in the vicinity of a major nerve in the spine.
Disc, cervical
A disk shaped piece of specialized tissue that separates the vertebral bones of the spinal column in the neck.
Disc, optic
The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also called the optic nerve head.
Disc, slipped
Rupturing of the tissue that separates the vertebral bones of the spinal column.
Discase
Discase 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): chymopapain.
Discharge
1.The flow of fluid from part of the body, such as from the nose or vagina. 2. The passing of an action potential, such as through a nerve or muscle fiber. 3. The release of a patient from a course of care. The doctor may then dictate a discharge summary.
Discipline
The limits a parent or caregiver sets on a child's behavior for purposes of safety or socialization.
Disconnection syndrome
Term coined by Norman Geschwind to describe the interruption of information transferred from one brain region to another.
Discordance
1. The presence of any given condition such as HIV in only one member of a couple. 2. In genetics, the presence of a phenotype such as asthma in only one members of a twin pair. 3. In clinical care, lack of agreement between physician and patient.In all sense, disconcordance is as opposed to concordance.
Discordant
1. Showing discordance, lack of agreement. A couple may be discordant for a sexually transmitted infection, with one partner having it and the other not. 2. In transplantation genetics, between different species. A discordant xenograft is a transplant between members of very different species
Discordant couple
A pair of long-term sexual partners in which one has a sexually transmitted infection and the other does not. The CDC has guidelines for counseling discordant couples in which the woman is HIV-infected and her husband is HIV-uninfected.
Discounting the illuminant
Illumination of the visual world tens to be non-uniform, and fluctuates. in order for the visual system to create a consistent perception of color and lightness it must somehow discount fluctuation and gradient in the lighting source.
PREVIOUS AND NEXT TERMS--------------------------------------
Diagnose
To identify a disease.
Dialysis
A treatment to remove certain molecules from the blood, particularly in people with kidney failure.
Diaphoresis
Excessive sweating.
Diastole
The relaxation phase of the heartbeat.
Digit
A finger or toe.
Discoid lupus erythematosus
Disinfectant
A chemical agent used to destroy microorganisms on inanimate objects.
Disk
A round, flat structure, particularly the fibrous cartilage layer between two vertebrae (the bones that make up the spine). Also called intervertebral disk.
Diskectomy
Removal of an intervertebral disk of the spine.
Dislocation
Displacement of a bone from a joint.
Distal
A location farther from a point of reference. For example, the foot is distal to the knee, relative to the center of the body.
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