The ________, a fibrous partition that separates the external ear from the middle ear, is shown at letter F in the figure.

Fibrous Partition

A divider made of fibrous materials, such as connective tissue or plant fibers, separating different areas or compartments.

Tympanic Membrane

A fibrous partition located at the inner end of the ear canal and separating the outer ear from the middle ear; also called the eardrum.