Archivo: Endocranial cast of Alioramus altai

Description: Right lateral view of labeled endocranial casts of Alioramus altai (IGM 100/1844). These casts include the endocranial cavity, cranial nerve roots, selected vasculature, and inner ear. II, optic canal; III, oculomotor canal; IV, trochlear canal; V, trigeminal canals; VI, abducens canal; VII, facial canals; XII, hypoglossal canal; cm, cavum metoticum, includes lateral paths of glossopharyngeal and vagus nerves; cmv, caudal middle cerebral vein canal; ch, cerebral hemisphere; dp, dorsal peak (dural sinus); ie, inner ear; ob, olfactory bulb; ocs, occipital sinus; ocv, orbitocerebral vein; ol, optic lobe; ptf, pituitary fossa; rmv, rostral middle cerebral vein canal.
Title: Endocranial cast of Alioramus altai
Credit: Bever GS, Brusatte SL, Balanoff AM, Norell MA (2011) Variation, Variability, and the Origin of the Avian Endocranium: Insights from the Anatomy of Alioramus altai (Theropoda: Tyrannosauroidea). PLoS ONE 6(8): e23393. doi:10.1371/journal.pone.0023393.g004
Author: Gabe S. Bever, Stephen L. Brusatte, Amy M. Balanoff, Mark A. Norell
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