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tympanic membrane

a conically shaped membrane that separates the external ear from the middle ear and serves to transform the pressure waves of sounds into mechanical vibration of the ossicles. The first ossicle (malleus) is attached to the inner surface of the tympanic membrane. Also called eardrum.

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Psychology term of the day

October 15th 2024

significant difference

significant difference

the situation in which a significance testing procedure indicates the statistical differences observed between two groups (e.g., a treatment group and a control group) are unlikely to reflect chance variation.