Category: T
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Thyroid notch
A notch on the superior border of the thyroid cartilage of the larynx that separates the two laminae.
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Tentorial notch
An arched cavity in the free border of the tentorium cerebelli through which the brainstem passes.
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Typhus nodule
Small nodules of the skin seen in typhus. They are composed of mononuclear cell infiltration around vessels.
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Typhoid nodule
Nodules characteristic of typhoid fever and found in the liver. Distinctive abnormalities observed in the livers of individuals afflicted with typhoid fever.
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Toxic-nutritional optic neuropathy
Bilateral visual impairment with central scotomas. This is usually associated with a toxic or nutritional disorder (e.g., the ingestion of methyl alcohol).
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Tomaculous neuropathy
The presence of sausage-shaped areas of thickened myelin with secondary axon constriction in some cases of familial recurrent brachial neuropathy.
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Traumatic neuroma
An unorganized mass of nerve fibers occurring in wounds or on an amputation stump, resulting after accidental or intentional incision of the nerve.
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Toxic neuritis
Neuritis resulting from metallic poisons (e.g., arsenic, mercury, and thallium) or nonmetallic poisons (e.g., various hydrocarbons and organic solvents).
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Transfusion nephritis
Renal failure and tubular disease caused by transfusion of incompatible blood.
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Traumatic myositis
Myositis due to physical injury. The condition may be simple, with accompanying pain and swelling, or may be suppurative.