The alpha receptor is a type of receptor found on cells that respond to the hormone adrenaline, also known as epinephrine. There are several synonyms for the alpha receptor, including adrenergic receptor, alpha-adrenergic receptor, and alpha-noradrenergic receptor. These receptors are classified into two subtypes, alpha-1 receptors and alpha-2 receptors, which have different functions in the body. The alpha-1 receptor is responsible for increasing blood pressure, while the alpha-2 receptor regulates the release of certain neurotransmitters. Understanding the synonyms for alpha receptor is essential in studying the function of these receptors in the human body and how they can impact various physiological processes.