Modifies a noun

• vacuole: Ameba moving toward the bottom left, prominent contractile vacuole toward rear.

• protein: This lowers the concentration of intracellular calcium which is available to active contractile proteins.

• ring: A contractile ring made of actin filaments forms beneath the cells plasma membrane.

• function: Where possible, tissue for molecular studies will be collected following the assessment of contractile function of hearts at the end of the protocol.

• force: Strength endurance Strength endurance is used to develop the athlete's capacity to maintain the quality of their muscles ' contractile force.

• activity: It could be that, while elderly muscle is stimulated by contractile activity, the effect wears off faster than in youthful muscle.