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Nat. Review chpt. 5a
Bones of the axial skeleton
| Question | Answer |
|---|---|
| The frontal bone is located | Forehead |
| The parietal bones are located | Directly behind the frontal bone |
| The temporal bones are located | Behind the ears |
| The occiput is located | Back of the head |
| The sphenoid bone is located | Above the zygomatic bone |
| The coronal suture seperates | The frontal bone and the parietal bones |
| The sagittal suture seperates | Parietal bones |
| Lambdoid suture seperates | Parietal and temporal bones from the occiput |
| Squamous suture seperates | Parietal and temporal bones |
| External auditory meatus is located | Temporal bone |
| Mastoid process is located | Under the ear |
| Styloid process is located | In front of the mastoid process |
| Zygomatic arch is | The cheek bone |
| Nasal bones form | Form the upper bridge of the nose |
| Lacrimal bones | Form the medial wall of the eye socket and the side wall of the nasal cavity |
| Zygomatic bones | Form the cheek and help form the orbit |
| Maxillary bones | Upper jawbones |
| Sphenoid bone | Form the central part of the floor of the cranium |
| Sella turcica | Small depression in the spheniod bone that the pituitary is located in (turkish saddle) |
| Pterygoid plates | Muscles attatch here |
| External occipital protuberance | Large bump on the back of the head |
| Occipital condyles | Smaller bump below eop |
| Foramen magnum | Large hole that the spinal cord enters the cranium through |
| Palatine process | Roof of the mouth |
| Mandible | Lower jaw |
| Condyloid process | Articulates with Temporal bone here |
| Coronoid process of the mandible | Front of jaw articulation |
| Ramus of the mandible | Back part of the jawbone |
| Angle of the mandible | Angle of the jaw |
| Hyoid bone | U shaped bone at the base of the tongue that supports the tongue muscles |
| Ear ossicles | Ear bones |
| Malleus | Hammer of the ear bones |
| Incus | Anvil of the ear bones |
| Stapes | Stirrup of the ear bones |
| Vertebral column | Spinal column |
| Vertebrae | Make up the vertebral column |
| Body of the vertebrae | Circle part of the vertebrae |
| Vertebral foramen | Hole in the vertebrae |
| Spinous process of the vertebrae | Bone you can feel in your back |
| Transverse process of the vertebrae | Oriented 90 degrees from the spinous process |
| Ethmoid bone | Forms part of the eye sockets and nasal cavity |
| Crista galli | Cock's comb, part of the ethmoid bone |
| Superior and middle concha | Hooks inside the nose that slow down airflow |
| Vomer | Forms the back and lower part of the nasal septum |
| Lamina of the vertebrae | Join to form the spinous process of the vertebrae and form part of the vertebral foramen |
| Pedicle of the vertebrae | Form the transverse process and part of the vertebral foramen |
| Superior articular processes of the vertebrae | Articulates with the vertebrae above it. Face toward the spinous process. |
| Inferior articular processes of the vertebrae | Articulates with the vertebrae below it. Face away from the spinous process. |
| There are ____ cervical vertebrae | 7 |
| Atlas | C1 |
| Axis | C2 |
| Dens | Only on c2. Protrudes into formen on c1 to provide pivot action |
| Odontoid process | Dens |
| Transverse foramen | Found only in the cervical vertebrae. A hole in the transverse process |
| How many thoracic vertebrae are there? | 12 |
| Articular facets | Facets on the articular process |
| How many lumbar vertebrae are there? | 5 |
| How many vertebrae make up the coccyx? | 3-5 |
| How many sacral vertebrae are there? | 5 |
| How many pair of ribs are there? | 12 |
| How many pair of true ribs are there? | 7 |
| How many pair of false ribs are there? | 3 |
| How many pair of floating ribs are there? | 2 |
| Rib | Curved arches of bone |
| Sternum | Breastbone |
| Clavicular notch | A hollow on either side of the upper surface of the manubrium sterni which articulates with the clavicle |
| Manubrium | The broad upper division of the sternum with which the clavicle and first two ribs articulate |
| Body of the sternum | Middle part of the sternum |
| Xiphoid process | Small bony pointed extension on the base of the sternum |
| Cervical curve is | Lordotic |
| Thoracic curve is | Kyphotic |
| Lumbar curve is | Lordotic |
| Sacrum curve is | Concave anterioinferiorly |
| Annulus fibrosus | Outer fibrous rings |
| Nucleus pulposus | Toothpaste like middle of vertebral disk |
| Ibibition | How disks receive nutrients and water |
| Anterior spinous ligament | Front ligament |
| Vertebral disk | AKA intervertebral disk, between the vertebrae except occiput-c1 and c1-c2 |
| Vertebral herniation | Nucleus pulposes leaks out of the annulus fibrosus |
| Jefferson burst fracture | C1 bursts from a compression fracture (Christopher Reeves) |
| Most herniation is | Laterally |
| Anterior is ____ funtion in spinal nerves | Motor |
| Posteriorly is ____ function in spinal nerves | Sensory |
| Axial skeleton consists of | Ribs, vertebrae, and skull |
| Appendicular skeleton consists of | All that isn't axial |
Created by:
skpoem
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