Dorsal scales
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The dorsal scales of a snake are those which encircle the body exclusive of the ventral scales. Counts of these longitudinal scale rows are made at three points along a snake's body:[1]
- A head's length behind the head.
- Midbody.
- A heads length before the vent (cloaca).
A dorsal scale count of 25-23-21 would specify these three dorsal scale counts, for example. It is easiest to count dorsal scale rows diagonally, starting with a paraventral scale.[1]