Category: Y
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Yellow nail syndrome
A condition marked by slowing of nail growth marked by yellowish discoloration, bilateral lymphedema, and recurrent pleural or pericardial effusions. It is typically found in persons with underlying autoimmune, lymphatic, or malignant diseases. Yellow nail syndrome is a condition characterized by the thickening and discoloration of nails, typically turning them yellow or occasionally green. This…
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Years of life lost
The number of years a person might have lived if the accident or disease that killed him had not occurred.
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Y-connector
A glass or plastic connector that divides one incoming line into two outgoing ones.
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Yangona
A tropical herb, formally known as Piper methysticum, and more commonly called kava kava.
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Yale brace
A lightweight orthotic used to stabilize the cervical spine (i.e., after vertebral fracture). It consists of a cervical collar with supports that hold the collar firmly on the chest and upper back.
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Yage
A tropical South American vine, Banisteriopsis caapi, whose bark is boiled to make a tea with hallucinogenic properties.
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Yellow fever vaccine
A vaccine made from a live attenuated strain of yellow fever that protects against this tropical, mosquito-borne, viral hemorrhagic fever.
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Yellow marrow
Marrow found in the medullary canal of long bones. Consists principally of fat cells and connective tissue. It does not participate in hematopoiesis.
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Yellow ligament
One of the ligaments connecting the laminae of adjacent vertebrae.
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Yellow enzyme
One of a group of flavoproteins involved in cellular oxidation.