Ion canxi (Calcium Ion)
2 lượt xem
Cập nhật: 13/07/2026 23:06
Intracellular signaling ion involved in many cellular processes.
Calcium ions regulate muscle contraction, secretion, enzyme activity, metabolism, and apoptosis. Cells maintain low cytosolic calcium and release it transiently during signaling. Calcium-binding proteins such as calmodulin mediate its effects.