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AXIAL SKELETON STRUCTURE LIST You are responsible for all structures in these lists, and the lecture notes. Be able to identify all structures on bones in lab, diagrams and photos from your text. SKULL cranium calvarium frontal bone frontal squama superciliary arch supraorbital margin supraorbital foramen (notch) glabella parietal bone temporal bone temporal squama mastoid process styloid process zygomatic process external acoustic meatus internal acoustic meatus petrous portion mandibular fossa occipital bone foramen magnum basilar portion (clivus) occipital condyles external occiptal protuberance inferior, superior nuchal lines sphenoid bone greater wing lesser wing sella turcica hypophyseal fossa dorsum sellae tuberculum sellae pterygoid processes medial , lateral pterygoid plates ethmoid bone cribriform plate crista galli perpendicular plate orbital plate superior nasal concha middle nasal concha zygomatic bone temporal process maxilla palatine process infraorbital margin incisive fossa inferior nasal concha palatine bone palatine foramina lacrimal bone nasolacrimal duct nasal bone vomer mandible body , ramus, angle mandibular condyle coronoid process mandibular notch mandibular foramen orbit frontal zygomatic maxilla ethmoid sphenoid lacrimal temporal fossa nasal septum perpendicular plate vomer sutures coronal sagittal squamous lambdoid occipito-mastoid holes optic canal superior orbital fissure inferior orbital fissure supraorbital foramen infraorbital foramen mental foramen mandibular foramen foramen magnum stylomastoid foramen jugular foramen carotid canal foramen lacerum foramen spinosum foramen ovale foramen rotundum hypoglossal canal external acoustic meatus internal acoustic meatus incisive fossa olfactory foramina VERTEBRAL COLUMN individual vertebra vertebral body vertebral arch pedicle lamina transverse process spinous process superior articular process inferior articular process vertebral canal intervertebral foramen transverse foramen RIBS and STERNUM 7 true ribs 3 false ribs 2 floating ribs rib head rib tubercle costal cartilage sternum manubrium xiphoid process sternal (jugular) notch cervical vertebra C1-C7 atlas C1 lateral mass anterior arch and tubercle posterior arch and tubercle axis C2 dens / odontoid process thoracic vertebra lumbar vertebra sacrum sacral base sacral body sacral ala sacral promontory sacral canal sacral hiatus sacral foramina sacral crests coccyx intervertebral disc nucleus pulposus annulus fibrosus hyoid bone greater cornu lesser cornu