Medical Definition of Second messenger systems

1. Systems in which an intracellular signal is generated in response to an intercellular primary messenger such as a hormone or neurotransmitter. They are intermediate signals in cellular processes such as metabolism, secretion, contraction, phototransduction, and cell growth. Examples of second messenger systems are the adenyl cyclase-cyclic AMP system, the phosphatidylinositol diphosphate-inositol triphosphate system, and the cyclic GMP system. (12 Dec 1998)

Lexicographical Neighbors of Second Messenger Systems

second innings
second inversion
second inversions
second island chain
second joint
second joints
second language
second languages
second law of motion
second law of thermodynamics
second lieutenant
second lieutenants
second line chemotherapy
second meiotic division
second messenger
second messenger systems (current term)
second molar
second moment
second moment of area
second moment of inertia
second mortgage
second name
second nature
second new ball
second normal form
second of arc
second officer
second opinion
second opinions
second order stream

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