The head of a Roman snail, four tentacles well visible. [RN] Observing a snail crawling around, the view is immediately attracted by its head, orienting itself in its surroundings using the tentacles. The snail feels its environment, touches an obstacle and withdraws the tentacle.
One of these hormones is epinephrine, which can be defined as a hormone secreted by the adrenal medulla in response to short-term stress. Epinephrine is also called adrenaline, and you may have heard of this term before.
Epinephrine is an alpha-Adrenergic Agonist, and beta-Adrenergic Agonist, and Catecholamine. The mechanism of action of epinephrine is as an Adrenergic alpha-Agonist, and Adrenergic beta-Agonist. The chemical classification of epinephrine is Catecholamines.