noun. an element, seen in the majority of cells which are alive, being comprised of ribose sugar molecules. Adenosine works a neuromodulator by joining itself to certain receptors, and by impacting the discharge of various neurotransmitters in the CNS. Mixed with 3 phosphate models, the turns into triphosphate, that works as an energy store in metabolic activities.

ADENOSINE: "Test results showed Michael was severely lacking adenosine- once administered, he was losing the weight he'd put on and feeling much better overall."