Final answer:
The tympano-occipital fissure does not exist in the human body.
Step-by-step explanation:
The tympano-occipital fissure is not a specific anatomical structure within the human body. The anatomical terms mentioned, such as fovea capitis, sigmoid sulcus, auditory canal, and auricular fissure, are all unrelated to the tympano-occipital fissure. It is important to only provide information that is accurate and supported by reliable sources.