ARCL 228 Lecture Notes - Lecture 4: Cervical Vertebrae, Stapes, Malleolus
20 Sep 2016
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Forensic anthropology - arcl sept 19 - bone part 2. Auditory ossicles (ear bones: malleus most external, incus middle, stapes innermost. Hyoid - anchored for the tongue, bone breaks for strangulation. Sutures - one of the ways we age adults, they begin to fuse: coronal suture (interdigitating, sagittal suture (right left ) (interdigitating, lambdoid (occiptial temporal) (interdigitating, squamosal sutures (parietal) (flat line, one plate goes underneath the other) Vertebral column 5 regions: 7 cervical, 12 thoracic, 5 lumbar, 5 sacrum, coccyx (tail bone) 1st cervical vertebra = atlas holds up the skull. 2nd cervical vertebra = axis turns your head: transverse(blood vessels tht travel down your neck, vertebral foramen, superior articular facet. 3rd-7th cervical vertebrae all similar: transverse foramen, verterbral foramen, spinous process. 12 thoracic vertebrae t1-t12: costal facets (ribs, transverse process, styloid process, circle shaped body, giraffe. 5 lumbar vertebrae l1-l5: increasing larger, styloid process, transverse process, superiod articular facet, kidney bean shaped body, moose.
