Although snake infralabial glands are generally constituted of mucous cells, among dipsadines, they are much more developed and predominantly serous in nature, possibly due to the peculiar feeding habits of some species ...

Body-size is significantly correlated with the number of vertebrae (pleomerism) in multiple vertebrate lineages, indicating that somitogenesis process is an important factor dictating evolutionary change associated to ...

Snail-eating dipsadine snakes of the genera Sibynomorphus and Dipsas share infralabial glands divided into a distinct lateral portion along the lower lip (ill) and a ventrolateral portion along the mandible (i12). While ...

Background: Efficient venom delivery systems are known to occur only in varanoid lizards and advanced colubroidean snakes among squamate reptiles. Although components of these venomous systems might have been present in a ...

A origem e a evolução da função venenosa nas serpentes têm sido objeto de inúmeras discussões. De um modo geral, os estudos se restringem às glândulas de veneno ou de Duvernoy, ambas constituídas por células serosas. Pouca ...

Geophis belongs to the goo-eating dipsadine assemblage of snakes that are known to feed exclusively on earthworms, snails, and slugs. Although the unusual feeding strategies of the goo-eating dipsadines are well known (but ...