Examlex
A hydrogen atom is in its n = 2 excited state when its electron absorbs in an interaction with a photon. What is the energy of the resulting free electron?
Parasympathetic Ganglia
Clusters of nerve cell bodies in the parasympathetic division of the autonomic nervous system that transmit signals to various body organs.
Receptor Molecules
Proteins located on the cell surface or within cells that bind to specific molecules like hormones, antigens, or neurotransmitters, triggering a specific cellular response.
Muscarinic
Referring to a class of cholinergic receptors found in various body tissues, and responding to the neurotransmitter acetylcholine.
Adrenergic
Relating to nerve cells in which adrenaline (epinephrine) or noradrenaline (norepinephrine) function as neurotransmitters, involved in the body's fight-or-flight response.
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