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Disc prolapse
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.
RELATED TERMS--------------------------------------
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.
Disc
Shortened terminology for an intervertebral disc, a disk-shaped piece of specialized tissue that separates the bones of the spinal column.
Sciatica
A common pregnancy-related condition, caused by pressure on the sciatic nerve, which passes through the pelvis. Symptoms, which include pain, tingling, or numbness in the lower back and down the legs, often last only a few hours but can, in severe cases, linger throughout pregnancy.
Nerve
Tissue that conveys sensation, temperature, position information to the brain.
Spine
A column in the body consisting of 33 vertebrae.
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, 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.
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.
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.
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Dactylitis
Inflammation of a whole digit. Due to tenosynovitis and often periostitis as well as arthritis. Seen in seronegative arthritis (typically psoriatic arthritis) and sarcoidosis.
Dermatomyositis
A connective tissue disorder in which a rash and muscle inflammation are the predominant features.
DEXA
Dual Energy X-ray Absorptiometry. A means of measuring bone density to detect osteoporosis.
Diaphyseal aclasis
A syndrome in which there are multiple enchondromata.
Diastrophic dwarfism
Short stature, cleft palate, thick pinnae and other features. Autosomal recessive inheritance.
Disc prolapse
DISH
Diffuse Idiopathic Skeletal Hyperostosis. Florid new bone formation at entheses results in spinal stiffness. May be confused with ankylosing spondylitis. (Forestier's disease, Ankylosing hyperostosis)
DMARD
Disease-Modifying Anti-Rheumatic Drug.
Dowager's hump
Severe thoracic kyphosis in an elderly lady with osteoporosis.
Duypuytrens contracture
Fixed flexion deformity of finger(s) due to thickening, nodularity and contracture of palmar aponeurosis.
DXA
See DEXA. A means of measuring bone density to detect osteoporosis.
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