SKULL

Cards (113)

  • What is the roof of the cranium called?
    Calvarium
  • Which bones comprise the calvarium?
    Frontal, occipital, and two parietal bones
  • How many bones make up the cranial base?
    Six bones
  • Which bones are included in the cranial base?
    Frontal, sphenoid, ethmoid, occipital, parietal, temporal
  • What is the significance of the cranial base bones?
    They provide articulation points for the atlas
  • What are the zygomatic bones commonly known as?
    Cheek bones
  • What is the name of the suture that runs along the midline of the skull?
    Sagittal suture
  • What is the name of the suture that separates the frontal bone from the parietal bones?
    Coronal suture
  • What is the mastoid process?
    A bony prominence behind the ear
  • What is an extradural hematoma?
    A collection of blood between the skull and dura mater
  • What are the three membranes surrounding the brain?
    Dura mater, arachnoid mater, pia mater
  • What does the term 'hematoma' refer to?
    A tumor-like collection of blood
  • What are mental foramina?
    Openings in the mandible
  • What does 'foramina' mean?
    Openings
  • What does 'fissure' refer to in anatomy?
    Slit-like openings
  • What are the supraorbital and infraorbital regions associated with?
    Openings above and below the eye
  • What is the groove for in the calvaria?
    Superior sagittal sinus
  • What are the pits in the calvaria associated with?
    Indentations of arachnoid granulations
  • What vessels have grooves on the sides of the calvaria?
    Middle meningeal vessels
  • What do arachnoid granulations allow to pass into the venous system?
    CSF from the subarachnoid space
  • What is the arachnoid membrane in relation to the CNS?
    Second layer of three membranes
  • What are the two types of dural venous sinuses mentioned?
    Superior and inferior sagittal sinuses
  • What does the groove for the superior sagittal sinus trace down to?
    Crest for the falx cerebri
  • What is located behind the lower end of the crest for the falx cerebri?
    Foramen cecum
  • What forms a large part of the roof of the orbit?
    Orbital plate of the frontal bone
  • Which lobe of the brain occupies the anterior cranial fossa?
    Frontal lobe
  • What is the cribriform plate associated with?
    Ethmoid bone
  • What projects upwards in the midline of the cribriform plate?
    Crista galli
  • What does the cribriform plate transmit?
    Olfactory nerves from the nose
  • What lodges in the shallow fossa at the postero-lateral angle of the cribriform plate?
    Olfactory bulb
  • What is the pterion associated with?
    Meeting of lesser and greater wings
  • What artery runs through the pterion?
    Anterior branch of the middle meningeal artery
  • What is perforated by the optic canal?
    Base of the lesser wing
  • What does the optic canal transmit?
    Optic nerve and ophthalmic artery
  • What is the posterior boundary of the anterior cranial fossa?
    Lesser wing of the sphenoid
  • What does foramen ovale transmit?
    Mandibular nerve
  • What artery runs up from the maxillary artery?
    Accessory meningeal artery
  • What does foramen rotundum transmit?
    Maxillary nerve
  • What is the superior orbital fissure?
    A gap between lesser and greater wings
  • What does the internal acoustic foramen transmit?
    Facial nerves