Examlex
Match each term with its corresponding definition.
-An ion with a negative charge
Calcium
A chemical element with the symbol Ca and atomic number 20, essential for living organisms, particularly in cell physiology where its movement into and out of cells functions as a signal for many cellular processes.
Troponin
A complex of three regulatory proteins integral to muscle contraction in skeletal and heart muscles.
Acetylcholine
A neurotransmitter in both the central and peripheral nervous systems that is involved in muscle activation, memory, and cognition.
T Tubules
Transverse tubules; system of inward extensions of the muscle fiber plasma membrane.
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