Meaning: A coral reef off the southern coast of Florida. Classified under: Nouns denoting natural objects (not man-made) Synonyms: cay; Florida key; key. Hypernyms (cay is a kind of...): coral reef (a reef consisting of coral consolidated into limestone) Holonyms (cay is a part of...):
Causes. Fever occurs when an area in your brain called the hypothalamus (hi-poe-THAL-uh-muhs) â also known as your body's thermostat â shifts the set point of your normal body temperature upward.
A fever is defined by most doctors as a temperature of 100.4 degrees Fahrenheit (38 degrees Celsius) and higher when taken rectally. The body has several ways to maintain normal body temperature.The organs involved in helping with temperature regulation include the brain, skin, muscle, and blood vessels. fever is defined by most doctors as a temperature of 100.4 degrees Fahrenheit (38 degrees Celsius) and higher when taken rectally. The body has several ways to maintain normal body temperature. The organs involved in helping with temperature regulation include the brain, skin, muscle, and blood vessels.