“To name all of our 206 bones!” Appendicular & axial skeleton Skull Thoracic cage Frontal bone Zygomatic bone Maxilla Mandible Clavicle Scapula Sternum Ribs Parietal bone Temporal bone Occipital bone Mandible Fig. 7.1(TE Art) axial Clavicle Scapula Humerus Vertebral column Pelvic girdle Carpus Metacarpal bones Phalanges Ulna Radius Femur Patella Fibula Tibia Tarsus Metatarsal bones Phalanges Calcaneus appendicular Anatomical position?? • Identify bone 1, 2, 3 & 4 1 2 3 4 • Describe the location of the radius (using anatomical terminology). • List the bones that articulate with the clavicle. • List the 3 bones that make up the pelvis. Anterior Olecranon Posterior notch Art) Fig.Trochlear 8.4(TE Olecranon Head of radius Neck of radius Head of radius Neck of radius Ulna Radius Interosseous membrane Styloid process Head of ulna Styloid process Articular facets Styloid process The Axial Skeleton • Bones of the skull • parts of the skull • sinuses • development of skull • Vertebral column • curves • vertebrae & discs • C1 & C2 • Thoracic cage • parts • ribs Hendrick Terbrugghen La Fort fractures neurocranium viscerocranium 22 bones = skull 8 pairs, 6 singles Pairs: parietal, temporal, nasal, lacrimal, maxilla, zygomatic, inf. conchae, palatine Singles: frontal, ethmoid, sphenoid, mandible, occipital, vomer External auditory meatus Mastoid process Mandibular condyle Cribiform plate (ethmoid) Sella turcica Foramen magnum Base or floor of cranial cavity Mx Z P S V T O P Sinuses Frontal Maxillary (Sphenoid & Ethmoid) Opening of pharyngotympanic tube Orifice of nasolacrimal duct Blowout fractures of sinuses Differences? Mandible without teeth Fontanelles: anterior, posterior sphenoid, mastoid Sutures: coronal, sagittal squamous, lambdoid Fontan = little fountain Spine Vertebral column Backbone Cervical Thoracic Lumbar Sacral Coccyx Normal and abnormal curves of the vertebral column posterior Spinous process Transverse process Pedicle Body Facet ‐ inf. articulating Intervertebral disc Nucleus pulposus Annulus fibrosus laminectomy Lamina Herniated disc (slipped disc) transverse foramen C1 or Atlas Superior articular facet Transverse foramen C2 or Axis Dens C1‐ occipital condyle • nodding “yes” C1‐ C2 via dens • rotation “no” Ribs & thoracic vertebrae T5 T6 6 osteoarthritis