What is the adrenal medulla?

Medulla adrenaline is the weight of cells that form the center of the adrenal glance under the outer bark of the adrenal gland. These irregular cells are muscled together with blood vessels. Medully cells are called chromaffin cells because in response to chromic salts color brownish color. Medulla the adrenal gland can eliminate norepinephrine and epinephrine, also known as adrenaline. Trace amounts of dopamine can also be released by adrenal medulla. The sympathetic nervous system activates the adrenal medulla into secretion when stress is present. This action is a preparation for the reaction of the struggle of the body or flight at the time of stress, such as the expected danger. The ratio of loose hormones varies according to the species. One releases about 80 percent of epinephrine and 20 percent of norepinephrine. In contrast, chickens release 30 percent of epinephrine and 70 percent of norepinephrine. Both hormones are released into the bloodstream in response to stress, loss of blood or exercise. The effects last for a while and may not be distracted immediately after stress levelshave dropped or ended the exercise. Epinephrine can also be released due to low blood glucose levels.

The adrenal activity hyper in the case of a tumor can cause negative effects such as hypertension or headaches. The effects of hormones produced by the adrenal medulla after exercise are considered recipients. On the other hand, a declineGastrointestinal acids cause digestion and therefore the exercise is not recommended less than an hour after a meal.