Means (2) rows-1 behind the other.
Most snakes have a double row of teeth on the upper jaw. Venomous snakes have hollow or grooved teeth to inject venom.
Sharks have 3 layers of teeth. the first row are the mature teeth, the ones they use. the second layer are not quite mature but if a tooth is lost it moves forward to take its place. the third row are growing teeth. when a second row tooth moves forward the third row tooth takes its place and anotherthird row tooth grows in the third row
The maxilla support the upper row of teeth. Mandible support the lower row of teeth.
Raccoon is a word. It includes double letters in a row.
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Wierd!
Yes, only on the bottom row.
They are the more pointed teeth on the upper row. Third from the front.
If the wisdom teeth are impacted on your top or bottom row of teeth, they could cause discomfort and push roots of other teeth together.
Sharks have rows upon rows of teeth in their mouth and when the teeth fall out the new row of teeth is ready to come through.
not ready to row yet