PTAN stands for Provider Transaction Access Number (medicare reimbursements). Suggest new definition. This definition appears frequently and is found in the following Acronym Finder categories: 1  Military and Government. 2  Science, medicine, engineering, etc.
Adrenaline also makes the blood vessels dilate in order to improve blood flow and oxygen delivery in case the body has to suddenly flee a dangerous situation. The veins in the face, as well as in the stomach lining and throughout the rest of the body, then have more blood than normal flowing through them, and they appear red. More about blushing: A surgery known as endothoracic sympathectomy can potentially eliminate blushing by snipping the small nerves located in the spine that trigger the response.
Does Your Stomach Lining Really Turn Red When You Blush? Tweet Your stomach lining turns red when you blush, a response that is the result of the sympathetic nervous system causing increased blood flow throughout the body. During periods of embarrassment, the body releases adrenaline, a hormone that prepares the body for stressful situations.