Freebase(0.00 / 0 votes)Rate this definition: Commonly used in medicine, the word decubitus is used to mean lying down. It is derived from the Latin verb âdecumbereâ meaning to lie down.
The brain regulates metabolism and manages other functions to keep your body temperature within a normal range. But the brain can only do so much, and a host of outside factors can affect your body temperature. Controlling and managing these outside factors is key to maintaining a normal body temperature.
The part of the brain that acts as the body's thermostat is the hypothalamus which is the part of the brain that tells the body what it needs to do to survive and reproduce. The hypothalamus receives signals from all over the body regarding temperature.herefore, a stable body temperature of 98.6 degress Fahrenheit, give or take only a few degrees, is one aspect of homeostasis in humans. The main advantage of having a stable body temperature is that it allows optimization of normal body functions, metabolism and enzymes to a specific set temperature.