Preventral scales are
snake scales
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joints ...
positioned anterior to the
ventral scales
In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that cont ...
and are wider than they are long, but do not come into contact with the
paraventral row of
dorsal scales
In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales
In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down t ...
on either side of the body.
[ Campbell JA, Lamar WW. 2004. ''The Venomous Reptiles of the Western Hemisphere''. 2 volumes. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. .]
Related scales
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Ventral scales
In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that cont ...
*
Dorsal scales
In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales
In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down t ...
References
{{Reflist
Snake scales