Microbiology Zygomycosis, a destructive fungal infection of the sinuses, is likely to reach the brain by which of the following routes? A Cavernous sinus B External carotid aery C Internal carotid aery D Superior sagittal sinus 💡 Explanation Zygomycosis, a destructive fungal infection of the sinuses, is likely to reach the brain by which of the following routes? ✓ Correct Answer: A. Cavernous sinus