That's mastoid bruising.

And your mastoid is...is very well pronounced.

That's from a blow to the mastoid process.

Based on... angular eye orbits and a large mastoid process, the decedent is male.

There appears to be some sort of faint bruising over the mastoid process.

The mastoid process is generally not a target in close-quarter combat.

Okay, he struck the mastoid, which is nearly 44 millimeters thick.

He began to study law enforcement, security... and Kyokushinkai karate, which utilizes mastoid strikes.

Pressure builds up in his inner ear, bursts through the mastoid bone while he's waiting in the clinic.

I made the bony prominences more robust, increased the size of the mastoid processes and the nuchal crests.