Fig. 9. Columella and columellar region. A in New Insights Into the Brain, Braincase, and Ear Region of Tyrannosaurs (Dinosauria, Theropoda), with Implications for Sensory Organization and Behavior

Fig. 9. Columella and columellar region. A, braincase of the Cleveland skull (CMNH 7541, extracted from the full CT dataset) in left rostroventrolateral view, showing the left columella preserved in place. B, Cranial endocast and labyrinth of Tyrannosaurus rex (AMNH FR 5117) reconstructed from CT scans in left caudodorsolateral view, with the columellar canal (highlighted in teal) leading toward the fenestra vestibuli of the endosseous labyrinth. Scale bars = 2 cm.