"The process where thick (myosin) and thin (actin) filaments slide against each other to produce a shortening or tensing of the muscle cell or fiber.NCI" . "ContractileADNCI" . "Muscle_Contraction"^^ . . "Muscle Contraction"^^ . "Muscle Contraction"^^ . . "Cell Function"^^ . "Muscle ContractionPTNCI" . "Muscle Cell ContractionSYNCI" . "C30085"^^ . . "C0026820"^^ .