Fig. 3
From: Morphological relationships between external auditory canal and vital structures of tympanic cavity
Scatter plot. The antero-posterior length of the bony tympanic ring and the external auditory canal morphology (i.e., the degree of overhang of the inferior wall of the external auditory canal) slightly correlates with the depth of the tympanic sinus, and the lateral process of the vertical portion of the facial nerve