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Dwarf
Dwarf Someone with dwarfism, which is now more correctly called short stature.
RELATED TERMS--------------------------------------
Dwarfism
A deficiency of growth hormone resulting in short stature.
SIMILAR TERMS--------------------------------------
Dwarfism
A deficiency of growth hormone resulting in short stature.
Dwarfism, achondroplastic
A genetic disorder of bone growth, achondroplasia is the most common cause of short stature with disproportionately short limbs -- dwarfism with short arms and legs. There is a typically large head with prominence of the forehead (frontal bossing), underdevelopment (hypoplasia) of the midface with cheekbones that lack prominence, and a low nasal bridge with narrow nasal passages. The fingers are short and the ring and middle fingers diverge giving the hand a trident (three-pronged) appearance.
Dwarfism, pituitary
Dwarfism caused by a lack of growth hormone, usually due to malfunction of the pituitary gland. Children with growth hormone deficiency may grow normally for the first two to three years of life but they then fall behind their peers in height. They are normally proportioned. This is a key point. Treatment is with human growth hormone given in childhood. Also known as hypopituitary dwarfism, hypopituitarism, panhypopituitarism, and growth hormone deficiency.
Dwarfism, thanatophoric
A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after birth. Thanatophoric dysplasia is due to a lethal mutation (change) in the same gene that produces achondroplasia, a familiar and far more common form of short-limbed dwarfism that is compatible with life.
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Dural
Pertaining to the dura.
Dural sac
The membranous sac that encases the spinal cord within the bony structure of the vertebral column. Dural refers to the dura, the name of the membrane around the spinal cord (and brain, too).
Dursban
An insecticide that has adverse neurological effects. Known alternatively as chlorpyrifos. Dursban causes weakness, vomiting, diarrhea and other ill effects in children. It can also cause blurred vision and memory loss.
Dust mite
A tiny microscopic organism that is the primary cause of allergies related to house dust. The term "dust mite allergy" is a misnomer because it is the excretion of these mites to which people are allergic. Dust mites can therefore trigger allergic reactions even when dead.
DVT (deep vein thrombosis)
Blood clotting in the veins of the inner thigh or leg. In air travel, DVT is the "economy-class syndrome." Even in young, health travelers the long stretches immobilized in cramped seats in cabins with very low humidity set the stage for the formation of a thrombus (blood clot) in the lower leg. Blood clots can break off (as emboli) and makes their way to the lung where they have the potential of causing respiratory distress and respiratory failure.
Dwarf
Dwarfism, achondroplastic
A genetic disorder of bone growth, achondroplasia is the most common cause of short stature with disproportionately short limbs -- dwarfism with short arms and legs. There is a typically large head with prominence of the forehead (frontal bossing), underdevelopment (hypoplasia) of the midface with cheekbones that lack prominence, and a low nasal bridge with narrow nasal passages. The fingers are short and the ring and middle fingers diverge giving the hand a trident (three-pronged) appearance.
Dwarfism, pituitary
Dwarfism caused by a lack of growth hormone, usually due to malfunction of the pituitary gland. Children with growth hormone deficiency may grow normally for the first two to three years of life but they then fall behind their peers in height. They are normally proportioned. This is a key point. Treatment is with human growth hormone given in childhood. Also known as hypopituitary dwarfism, hypopituitarism, panhypopituitarism, and growth hormone deficiency.
Dwarfism, thanatophoric
A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after birth. Thanatophoric dysplasia is due to a lethal mutation (change) in the same gene that produces achondroplasia, a familiar and far more common form of short-limbed dwarfism that is compatible with life.
Dx
Abbreviation standing for diagnosis, the determination of the nature of a disease.
DXM
Dextromethorphan, a cough suppressant, sometimes misused as a recreational drug.
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