Sinus hominem has cranial features that include a 1520 cc braincase, and enlarged nose passage for living in cold climates.
There are 4 pairs of sinuses. These are the frontal, maxillary, ethmoid, and sphenoid sinuses (not shown). Blocked sinus openings block the flow of mucus and increase pressure, causing pain and inflammation.
Maxillary Sinus: The largest of the maxillary sinuses, located behind the cheekbone near the cranial features. Sphenoid Sinus: The sphenoid sinus is located in the sphenoid bone near the optic nerve and pituitary gland on the side of the skull.
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