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Egyptian Journal of Forensic Sciences
Fig. 1 | Egyptian Journal of Forensic Sciences

Fig. 1

From: Investigation of accessory transverse foramen in dry cervical vertebrae: incidence, variations, types, locations, and diagnostic implications

Fig. 1

Classification of ATF types based on morphological features. a Type 1 (rounded posterior ATF, on the left side, C4). b Type 2 (elliptical posterior ATF, on the left side, C7). c Type 3 (elliptical posteromedial ATF with transverse diameter, on the left side, C6). d Type 4 (oblique posterolateral ATF from right to left side, C6). e Type 5 (oblique posterolateral ATF from left to right side, C6). f Unilateral irregular posterior ATF, on the right side, C5. ATF of the cervical vertebra was located bilaterally except for f. AT, anterior tubercle of transverse process; ATF, accessory transverse foramen; B, body of cervical vertebra; PT, posterior tubercle of transverse process; SP, spinous process, TF, transverse foramen; TP, transverse process; VF, vertebral foramen

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