Spider monkeys are found in many aspects of the Mesoamerican cultures. In the Aztec 260-day calendar, Spider Monkey (Nahua Ozomatli) serves as the name for the 11th day. In the corresponding Maya calendar, Howler Monkey (Batz) is substituted for Spider Monkey.
A migraine is a throbbing painful headache, usually on one side of the head, that is often initiated or triggered by specific compounds or situations (environment, stress, hormones, and many others). They occur more often in women (75%, approximately) and may affect a person's ability to do common tasks.
The autonomic nervous system (ANS) regulates the unconscious function of the organs, including the heart, the stomach, the lungs and the intestines. The ANS is part of the peripheral nervous system, which connects the organs and limbs to the central nervous system (the brain and the spinal cord).