Mrs Hackett s Lab Quiz 3 Study Guide The objectives for Lab Quiz 3 are found on pages 151 153 in the lab manual Use this checklist to check off the features and names of each bone Remember to use Chapter 7 in your textbook for great pictures Lab Quiz 3 will have 100 questions 1 point each covering the bones and other features of the bones Helpful terms Foramen hole Process something coming off of a bone Fossa indentation Condyle usually connects to a fossa Suture immovable joint where bone meets bone examples are in the skull Figure 7 1 in textbook Figure 8 1 in tophat Orbital bone around the eye socket Axial Skeleton The Skull Study the Axial Skeleton Skull and Sinuses powerpoint Table 7 1 in textbook has great descriptions Practice with Figure 8 2 on tophat textbook Figures 7 4 7 7 have great pictures 1 Frontal bone found in forehead a Feature supraorbital notch or supraorbital foramen 2 Temporal bone found at the temples a Features i Zygomatic process ii External acoustic meatus iii Mastoid process iv Styloid process v Mandibular fossa indentation where the mandible will connect vi Temporomandibular joint where the mandible connects to the temporal bone 3 Parietal bone top of the skull 4 Occipital bone back of the skull Features a Foramen magnum big hole where the spinal cord connects to the brain b Occipital condyles bony projections that connect to the atlas bone 5 Sphenoid bone this will be viewable by looking inside the skull a Features i Sella turcica looks like a saddle ii Greater wing of the sphenoid bone iii Lesser wing of the sphenoid bone iv Optic foramen holes for the 2 optic nerves 6 Ethmoid bone same view as the sphenoid bone a Features i Cribriform plate ii Crista galli iii Perpendicular plate iv Olfactory foramina teeny tiny holes where the olfactory sensory v Middle nasal conchae this is best seen from the anterior view of the Inferior nasal conchae below the middle nasal conchae neurons will fit skull 7 8 Vomer 9 Zygomatic bone cheekbone 10 Maxillary bone maxilla a Features Infraorbital foramen i ii Palatine process roof of the mouth 11 Palatine bone 12 Lacrimal bone where your tear ducts are 13 Nasal bone only bony portion of the nose 14 Skull sinuses 8 4 on tophat 15 Sutures frontal sinus sphenoidal sinus ethmoid sinus and maxillary sinus Figure a Squamous suture on the temporal bone b Lambdoid suture on the occipital bone c Sagittal suture top of the skull separates the parietal bones d Coronal suture top of the skull separates the frontal bone and parietal bones Mandible Figure 7 11 in textbook Hyoid bone Features the temporal bone 3 Coronoid process 4 Mandibular angle 1 Mandibular notch separates the condylar process and the coronoid process 2 Condylar process also called mandibular condyle attaches at the mandibular fossa of Vertebrae Thorax powerpoint and Exercise 8 7 Table 8 1 and Figure 8 7 8 10 on tophat Figure 7 16 7 19 7 20 and Table 7 2 in textbook Axial Skeleton Vertebrae and 5 Ramus 6 Mental foramen Thorax Figure 8 12 in tophat 1 Bone Sternum a Features i Manubrium has the jugular notch ii Body iii Xiphoid process 2 Ribs be able to label a random rib a True b False c floating Types 1 Cervical C1 C7 C1 Atlas KNOW THE NAME C2 Axis KNOW THE NAME Features Axis has an odontoid process dens C3 C7 cervical vertebra HAS A BIFID SPINOUS PROCESS 2 Thoracic T1 12 PROFILE LOOKS LIKE A GIRAFFE 3 Lumbar L1 5 PROFILE LOOKS LIKE A MOOSE 4 Sacrum 5 Coccyx Spinous process cervical vertebrae have a bifid spinous process Features of vertebra Body Transverse process Superior articulating process Inferior articulating process Vertebral foramen Lamina Pedicle Know the curvatures cervical thoracic lumbar and sacral Fetal Skull Figure 8 5 on tophat Fontanels Anterior fontanel OR frontal fontanel Anterolateral fontanel OR sphenoidal fontanel Posterolateral fontanel OR mastoid fontanel Posterior fontanel OR occipital fontanel