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Axial Skeleton
Axial Skeleton
26
Anatomy
Undergraduate 3
08/28/2013

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Cards

Term
Four Sutures
Definition
Coronal
Sagittal
Lambdoidal-parietal and occipital
Squamosal-Temporal and pareital
Term
8 Cranial Bones of Skull
Definition
Frontal
Parietal (2)
temporal (2)
occipital
Sphenoid
Ethmoid
Term
Frontal
Definition
Forehead
Supraorbital foramen, coronal suture
Term
Parietal (2)
Definition
Sagittal Suture
Term
Temporal (2)
Definition
Ear region
External auditory meatus (canal)
Zygomatic Process-contributes to chewing
mastoid process-muscle attachment to forehead
Mandibular fossa (shallow basin) TMJ problems
squamosal suture
Term
Occipital
Definition
Foramen Magnum-spinal chord meets brain
Occipital condyles-smooth articular surfaces articulate with upper most vertebra
Lambdoidal suture-occipital and poriatal bone
Term
Sphenoid
Definition
Superior orbital fissure (slit like opening)
Sella turcica-pituitary gland
Term
ethmoid
Definition
crista galli-sharp piece pointing superiorly
Cribifom plate, filled with holes which are olfactory foramina
Olfactory foramina
Superior & medial (middle) nasal chonchae-"scrolls" provide extra surface area
Perpendicular plate-septum articulates with vomer
Term
Sinuses
Definition
Frontal
ethmoid
Maxillary
Sphenoid
Term
Fontanels
Definition
Allows squishing of babies head
allows for brain growth

Dips between sutures
Term
Bones that make up the zygomatic arch
Definition
Temporal and Zygomatic Bone
Term
7 bones that contribute to the orbit
Definition
1. Frontal
2. Sphenoid
3. Ethmoid
4. Maxilla (2)
5.Palatine (2)
6. Zygomatic (2)
7.Lacrimal (2)
Term
Nasal Septum is made up of
Definition
Ethmoid (perpendicular plate)
Vomer
Term
Name the bones that comprise the hard palate
Definition
Maxilla and Palatine bone
Term
Name the bones that contain alveoli for teeth
Definition
Maxilla and Mandible
Term
Name the bone that anchors the tongue muscles and describe what makes this bone unique
Definition
Hyoid Bone
Superior to thyroid cartilage no articulations
Term
NAme the regions of the vertebral column and number
Definition
Cervical -7
Thoracic-12
Lumbar-5
Sacral -5 fused (sacrum)
Coccygeal-3-5 fused (coccyx)
Term
Name the structure between adjacent vertebral bodies, what is it composed of
Definition
Intervertebral disc made up of fibrocartilage
Term
1st Cervical vertebrae
Definition
Atlas-holds up your head occipital condiles
Term
2nd Cervical Vertebrae
Definition
Axis-Extra projection called the dens or Odontoid process
Term
Odontoid process
Definition
Extra projection on Axis (C2)
Term
Features of vertebrae
Definition
body
Vertebral arch (pedicles and laminae)
vertebral foramen-spinal chord
Transverse process-anchor back muscle
Spinous process-notches on back
Articular processes- facets
intervertebral foramina
Intervertebral disc-pad of fibrocartilage
Term
3 main portions of sternum
Definition
1. Manubrium (superior) Jugular notch
2. Body (middle)
3. Xiphoid process-anchored endochondrial ossification cartilage fuses around 40yrs.
Term
True Ribs
Definition
7 attach directly to its own costal cartilage
Term
False Ribs
Definition
5 Shares cartilage
Term
Floating Ribs
Definition
2 no cartilage
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