Definitions for palpebral
This page provides all possible meanings and translations of the word palpebral
Pertaining to eyelids
of or pertaining to the eyelids
Origin: [L. palpebralis, fr. palpebra: cf. F. palpbral.]
The palpebral bone is a small dermal bone found in the region of the eye socket in a variety of animals, including crocodilians and ornithischian dinosaurs. In ornithischians, it can form a prong that projects from the front upper corner of the orbit. It is large in heterodontosaurids, basal ornithopods like Thescelosaurus and Dryosaurus, and basal ceratopsians like Archaeoceratops; in these animals, the prong is elongate and would have stuck out and over the eye like a bony eyebrow. As paleoartist Gregory S. Paul has noted, elongate palpebrals would have given their owners fierce-looking "eagle eyes". In such cases, the expanded palpebral may have functioned to shade the eye.
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