“To name all of our 206 bones!” Appendicular & axial skeleton Parietal bone axial Frontal bone Temporal bone Skull Zygomatic bone Maxilla Occipital bone Mandible Fig. 7.1(TEMandible Art) Clavicle Clavicle Scapula Scapula Sternum Thoracic Humerus cage Ribs Vertebral column Pelvic girdle Ulna Radius Carpus Metacarpal bones Phalanges Femur Patella Fibula Tibia Metatarsal bones Tarsus Phalanges Calcaneus appendicular Anatomical position?? • Identify bone 1, 2, 3 & 4 • Describe the location of the radius 1 2 (using anatomical terminology). • List the bones that articulate with the clavicle. 3 • List the 3 bones that make up the pelvis. 4 Anterior Posterior Olecranon Fig.Trochlear 8.4(TE notch Art) Olecranon Head of Head of radius radius Neck of Neck of radius radius Ulna Radius Interosseous membrane Head of ulna Styloid Styloid process process Styloid Articular facets 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 Lamina Spinous process Transverse process Pedicle Body Facet Intervertebral disc ‐ inf. articulating Nucleus pulposus Annulus fibrosus laminectomy Herniated disc (slipped disc) transverse foramen C1 or Atlas Transverse foramen Superior articular facet C2 or Axis Dens C1‐ occipital condyle • nodding “yes” C1‐ C2 via dens •rotation “no” Ribs & thoracic vertebrae T5 T6 6 osteoarthritis.