The changing shape of the frontal sinuses is helping to reveal more about how modern humans, and our ancient relatives, evolved. An international team of researchers led by Antoine Balzeau of the ...

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This X-ray of a human skull highlights the main nasal cavity (orange) and the sinuses: frontal (pink), ethmoid (yellow), maxillary (green) and sphenoid (purple). Asian apes do not have frontal or ...

Located between and above your eyebrows, the frontal sinuses develop in shapes that are as unique to each person as a fingerprint. Since 1925, they've been used by forensic anthropologists to help ...

Frontal sinus fractures encompass a spectrum of injury to the anterior and posterior walls of the frontal sinus, often with involvement of the nasofrontal duct. High-velocity impacts may produce ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American In an article published here back in November ...

Sinusitis and Subdural Empyema: T2-weighted axial MRI scans. Note the prominent bright signal in the frontal sinuses, and spread of the process to the subdural space. Aspiration of the subdural ...

Sinusitis and Epidural Abscess: T1-weighted with gadolinium MRI scans; (Left and Middle) axial; (Right) sagittal. Note the prominent enhancement in the frontal sinuses, and erosion of bone into the ...