A Medicare Part D prescription drug plan could potentially cover your use of insulin pens and other diabetic supplies such as syringes. Medicare Part D plans are sold by private insurers, so the exact medical supplies, prescriptions and other health care services they cover will vary based on your Part D plan provider.
adrenergic receptors. Definition: reactive components of effector tissues, most of which are innervated by adrenergic postganglionic fibers of the sympathetic nervous system.
The adrenergic receptors are a class of G protein-coupled receptors that are targets of the catecholamines, especially norepinephrine and epinephrine. Many cells possess these receptors, and the binding of a catecholamine to the receptor will generally stimulate the sympathetic nervous system. The sympathetic nervous system is responsible for the fight-or-flight response, which includes dilating the pupil, increasing heart rate, mobilizing energy, and diverting blood flow from non-essential orga