Axial Skeleton

Enter the name of of the bone indicated by each number. Click the blue dot to enter your answer on the worksheet. parietal bone mandible mental foramen frontal bone nasal bone sphenoid bone temporal bone zygomatic bone vomer maxilla incisors З zygomatic bone sphenoid bone maxilla occipital condyle foramen magnum external occipital protuberance occipital bone external acoustic meatus styloid process mandibular fossa vomer palatine coronal suture frontal bone nasal bone sphenoid bone maxilla mandible zygomatic bone mastoid process temporal bone occipital bone lamboid suture squamous suture parietal bone The skull is one of the major components of the axial skeleton. Name the other two. What structures do each of these component areas protect? Define suture: With one exception, the skull bones are joined by sutures. Name the exception. What are the four major sutures of the skull, and what bones do they connect? List the eight bones composing the cranium. Give two possible functions of the sinuses. What is an orbit? Why can the sphenoid bone be called the keystone of the cranial floor? Use only lower case letters for your answers g e c i f d i a e F b a h h a g g atlas axis two thoracic vertebrae a disc two lumbar vertebrae sacrum coccyx sternum ribs cone-shaped sacrum lumbar vertebra coccyx atlas lumbar vertebra thoracic vertebra sacrum thoracic vertebra atlas cervicsl vertebra-typical costal facet for rib vertebral foramen vertebral arch thoracic vertebra cervical vertebra fibrocartilage disc protrudes from between vertebra pain, numbness Frontal Zygomatic Maxilla Nasal Palatine Parietal Temporal Sphenoid Lacrimal Maxilla Ethmoid Temporal Sphenoid Ethmoid Nasal Sphenoid Frontal Ethmoid Occipital Occipital Hyoid Mandible Vomer Mandible Maxilla Ethmoid B. Costal cartilage F. Sternum E. Manubrium A. Body H. Xiphoid process D. Floating ribs C. False ribs B. Costal cartilage G. True ribs True ribs are connected to sternum directly, false ribs are not Ribs that are not connected to the sternum at all anterior fontanel sphenoid fontanel posterior fontanel mastoid fontanel Are the same skull bones seen in the adult also found in the fetal skull? Enter the correct word, phrase or statement that answers the questions below. How does the size of the fetal face compare to its cranium? How does this compare to the adult skull? What are the outward conical projections in some of the fetal cranial bones? What is a fontanel? What is the fate of a fontanel? What is the function of the fontanels in the fetal skull? incisors canine premolars molars premolars canine incisors enamel dentin pulp crown gums Root nerve Identify the bones of the human ear using the correct anatomical names. malleus incus stapes