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.
You are here: Migraine Headache > Migraine overview > Migraine Headache Associated With Low Testosterone Level. What is occurring physiologically while a migraine headache happens? It seems the start of a migraine headache is in the brain stem. The brain stem is a bit above the spinal cord, but below the cortex of the brain.