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Yellow Fever
Yellow Fever Yellow fever is a contagious infectious disease caused by a virus and spread by mosquitoes that pick up the disease from monkeys. Found mainly in Africa and Latin America, its symptoms include jaundice, muscle pain, high fever, bleeding, and sometimes death.
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Fever
When body temperature rises above its normal level - defined as 98.6 degrees F, though it varies by individual and time of day. A fever is the sign of an immune system at work and usually indicates an infection.
Contagious
Easily transmitted by direct or indirect contact.
Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.
Virus
Ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein.
Jaundice
A condition in which the skin and the whites of the eyes become yellow, urine darkens, and the color of stool becomes lighter than normal. Jaundice occurs when the liver is not working properly or when a bile duct is blocked.
Muscle
Tissue made up of bundles of long, slender cells that contract when stimulated.
Pain
An unpleasant sensory or emotional experience primarily associated with tissue damage, or described in terms of tissue damage, or both.
Death
1. The end of life. The cessation of life. (These common definitions of death ultimately depend upon the definition of life, upon which there is no consensus.) 2. The permanent cessation of all vital bodily functions. (This definition depends upon the definition of "vital bodily functions.") See: Vital bodily functions. 3. The common law standard for determining death is the cessation of all vital functions, traditionally demonstrated by "an absence of spontaneous respiratory and cardiac functions." 4. The uniform determination of death.
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Yaws
An infectious nonvenereal disease caused by a spirochete, Treponema pertenue. Mainly found in humid, equatorial regions. Symptoms include febrile disturbances, rheumatism, eruption of tubercles with a caseous crust on hands, feet, face and external genitals. Yaws is also known as: bouba, frambesia, tropica, parangi.
Yellow Fever
Yergason's sign
Pain on resisted supination of the arm due to bicipital tendonitis.
Yttrium
Radioactive isotope sometimes injected into a joint to effect a 'medical synovectomy'.
Yeast infection
Common fungal infection of the vagina, characterized by itching, burning, or redness of the vaginal area.
Y chromosome
The chromosome that determines male gender.
Ycleptance
The tendency to name and describe one's environment, and to seek explanation and predictability for events; one of the five universal exigencies of being human.
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