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536 results for “Tyrannosaurus rex”
FIGURE 17 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 17. FMNH PR2081, Tyrannosaurus rex. Detail of palate posterior to internal choanae, showing vomers approaching pterygoid flanges. See Appendix 1 for abbreviations. Photograph by J. Weinstein.
FIGURE 42 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 42. FMNH PR2081, Tyrannosaurus rex. Medial mandibular elements from the right ramus. Right supradentary ossification in lateral (A) and medial (B) view. Right splenial in lateral (C) and medial (D) view. Scale = 10 cm. Abbreviations in Appendix 1. Photographs by J. Weinstein.
FIGURE 73 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 73. FMNH PR2081, Tyrannosaurus rex. Pathological costal features. A, Right p10, with large anterolateral sequestrium. B, Right?p13, lateral view. This is all that was preserved, and this is not shown in the rib plates (Figs. 64, 65); note large extostotic mass at termination. It is not known if this is the proximal or distal half of the fracture zone. C, Left p18, with large sequestrium on posterior surface of shaft and acute process distal to head. Scale for A-C = 5 cm. D, Right lateral view of FMNH PR2081 as mounted, showing several rib pathologies (including those shown in A and B) and the pathological right scapulocoracoid and humerus occurring within a discrete region of the skeleton. Photographs A and C by J. Weinstein.
FIGURE 78 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 78. FMNH PR2081, Tyrannosaurus rex. The haemal canal of the first haemal arch is deeper than its counterpart on the second haemal arch (A). But if the first chevron is tilted posteriorly, as in B, the sizes of the haemal canals are approximately equal. Photographs by J. Weinstein.
FIGURE 65 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 65. FMNH PR2081, Tyrannosaurus rex. Trunk ribs, posterior view. A-H, Right ribs for pl4 through p22 (p17 not shown). I-R, Left ribs for p13 through p22. Scale = 30 cm. Right p13 fragment is shown in Figure 73. Photographs by J. Weinstein.
FIGURE 57 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 57. FMNH PR2081, Tyrannosaurus rex. Sacrum in (A) left lateral, (B) anterior, and (C) posterior view. Scale = 30 cm. pn, pneumatopore; number indicates sacral vertebra bearing specified opening. Photographs by J. Weinstein.
FIGURE 34 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 34. FMNH PR2081, Tyrannosaurus rex. Right anterolateral view of braincase as seen through the right orbit. Abbreviations in Appendix 1. Photograph by J. Weinstein.
FIGURE 33 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 33. Digital endocast for FMNH PR2081, Tyrannosaurus rex. A, Stereopair of endocast in ventrolateral view. B, Stereopair of endocast in dorsolateral view. Line interpretations of endocast in ventrolateral (C) and dorsolateral (D) view. Cranial nerves indicated with Roman numerals; note separation between ophthalmic (V1) and maxillo-mandibular (V2, 3) branches of the trigeminal nerve. The left facial (VII) and vestibular statoacoustic (VIII.v) are shown. Abbreviations in Appendix 1. Drawings by M. Donnelly.
FIGURE 29 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 29. Braincase of RTMP 94.143.1 (immature Daspletosaurus torosus). Most of the parasphenoid rostrum and left laterosphenoid have been removed; the endocranial cavity (cav) is visible. Abbreviations in Appendix 1.
FIGURE 28 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 28. Braincase of AMNH 5117 (Tyrannosaurus rex). A, Anterior view, focusing on optic foramen (II) and pituitary fossa. B, Left anterolateral view, showing relationship between openings for trochlear (IV) and trigeminal (V) nerves through the laterosphenoid and prootic. C, Right lateral view, focusing on openings within prootic and opisthotic. Abbreviations in Appendix 1.
FIGURE 27 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 27. FMNH PR2081, Tyrannosaurus rex. Left epipterygoid. A, element as seen through restored left orbit. B, Dorsal tip of element viewed while left postorbital and squamosal were removed during preparation. C and D, left lateral and anterolateral views of epipterygoid, again with left postorbital and squamosal removed. See Appendix 1 for abbreviations.
FIGURE 24 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 24. FMNH PR2081, Tyrannosaurus rex. Isolated left squamosal in medial (A) and lateral (B) view. C, Ventromedial view of posterior tip, showing fossa for reception of quadrate head. D, Ventral view, showing squamosal recess. See Appendix 1 for abbreviations. Scale = 5 cm.
FIGURE 48 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 48. FMNH PR2081, Tyrannosaurus rex. Cervical vertebrae (p2 through p9), anterior view. A is axis. Scale = 15 cm. See Appendix 1 for abbreviations. Photographs by J. Weinstein.
FIGURE 22 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 22. FMNH PR2081, Tyrannosaurus rex. Sagittal CT section of braincase close to midline. See Appendix 1 for abbreviations.
FIGURE 80 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 80. FMNH PR2081, Tyrannosaurus rex. Right scapulocoracoid in lateral (A) and medial (B) view; left scapulocoracoid in medial (C) and lateral (D) view. Scale = 30 cm. Abbreviations in Appendix 1. Photographs by J. Weinstein.
FIGURE 32. A in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 32. A, Horizontal slice through endocranial cavity of FMNH PR2081, Tyrannosaurus rex. Slice was taken halfway between those of Figures 31C and 31D, and shows exit foramina for the third and fourth cranial nerves exiting in close proximity within a depression on the surface of the laterosphenoid. B, Sagittal CT slice through FMNH PR2081, approximately 2 cm to the left of the midsagittal plane, showing close apposition of exit foramina for third and fourth cranial nerves. Abbreviations in Appendix 1.
FIGURE 20 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 20. FMNH PR2081, Tyrannosaurus rex. Detail of interorbital region in dorsal view, showing sutural relationships. Photograph at left, line interpretation of sutures on right. See Appendix 1 for abbreviations.
FIGURE 16 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 16. FMNH PR2081, Tyrannosaurus rex. CT slice through rostrum (see C), showing penetration of third right dentary tooth into vomer. Resulting hole can be seen in Figure 3.
FIGURE 18 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 18. FMNH PR2081, Tyrannosaurus rex. Posterior extent of vomers, as shown in a photograph of a cast of the skull (A) in left posterolateral view, through the orbit and infratemporal fenestra (the postorbital has been removed); and (B) in a coronal CT slice. See Appendix 1 for abbreviations.
FIGURE 14 in Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull
FIGURE 14. Internal morphology of Tyrannosaurus rex maxilla. A, MOR 555, left maxilla in medial view. Arrows show passage of caudal antromaxillary fenestra and promaxillary fenestra. B, Generalized cartoon of medial surface of left maxilla (based in part on Osborn, 1912:fig. 23), showing approximate extent of medial wall of maxillary antrum. The ridge for attachment of this wall over the maxillary fenestra can be seen in A. See Appendix 1 for abbreviations.
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