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II. Axial Skeleton
N/A
69
Anatomy
Undergraduate 2
09/08/2013

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Term
Parietal Bone
Definition
Skull (paired bone)
Term
Temporal Bone
Definition
Skull (paired bone)
Term
Styloid Process of the Temporal Bone
Definition
Skull (paired bone); pointed process for muscle attachment
Term
Mastoid Process
Definition
Skull (paired bone); rounded process felt behind ear
Term
Frontal Bone
Definition
Skull (unpaired bone)
Term
Occipital Bone
Definition
Skull (unpaired bone)
Term
Foramen Magnum
Definition
Skull; large opening in occipital portion that allows brain stem to exit the skull and continue as spinal cord
Term
Occipital Condyles
Definition
Skull; anterior to foramen magnum; articulates with first cervical vertebrae (atlas)
Term
External Occipital Protuberance
Definition
Skull
Term
Sphenoid Bone
Definition
Skull; butterfly shaped bone; forms floor of cranium and contributes to orbits and lateral walls of skull
Term
Hypophyseal Fossa
Definition
Skull; median portion of sphenoid bone looking at an internal view
Term
Ethmoid Bone
Definition
Skull; forms part of lateral walls of nasal cavity and part of orbit
Term
Crista Galli
Definition
Skull; part of ethmoid bone
Term
Cribiform Plate
Definition
Skull; part of ethmoid bone
Term
Sagittal Suture
Definition
Skull; sutures hold cranial bones together
Term
Lambdoid Suture
Definition
Skull; sutures hold cranial bones together
Term
Coronal Suture
Definition
Skull; sutures hold cranial bones together
Term
Squamous Suture
Definition
Skull; sutures hold cranial bones together
Term
Maxilla
Definition
Skull; paired facial bone; holds upper teeth; forms part of orbit and most of hard palate
Term
Zygomatic Bone
Definition
Skull; paired facial bone; forms part of orbit
Term
Palatine Bone
Definition
Skull; paired facial bone; part of orbit & lateral walls of nasal cavity
Term
Nasal Bone
Definition
Skull; Paired facial bone;
Term
Lacrimal Bone
Definition
Skull; paired facial bone; part of medial wall of orbit
Term
Inferior Nasal Concha
Definition
Skull; paired facial bone; helps form lateral walls of nasal cavity
Term
Vomer
Definition
Skull; unpaired facial bone; helps form nasal septum
Term
Mandible
Definition
Skull; unpaired facial bone; holds lower teeth
Term
Condylar process of Mandible
Definition
Skull
Term
Coronoid Process of Mandible
Definition
Skull
Term
Hyoid Bone
Definition
Skull; suspended by bones and ligaments inferior to mandible; no articulations with bones
Term
Vertebral Body
Definition
Vertebrae; weight bearing/transmits weight from vertebrae to vertebrae
Term
Vertebral Arch
Definition
Vertebrae; pedicle and lamina
Term
Pedicle of Vertebra
Definition
Vertebrae; posterior from body
Term
Lamina of Vertebra
Definition
Vertebrae; pedicle to central vertebrae
Term
Spinous process of vertebra
Definition
Vertebrae; projection on vertebral arch
Term
Articular Process of Vertebra
Definition
Vertebrae; 2 superior & 2 inferior; projections on vertebral arch
Term
Vertebral Foramen
Definition
Vertebrae; opening where spinal cord passes
Term
Cervical Vertebrae
Definition
Vertebrae (has transverse foramen); C1-C7; rectangular body, split spinous processs, large vertebral foramen
Term
C1/ Atlas
Definition
Vertebrae (has ring/no body,spinous process)
Term
C2/ Axis
Definition
Vertebrae (has Dens which allows for rotation of the head)
Term
Lumbar Vertebrae
Definition
Vertebrae; L1-L5; kidney bean-shaped body; short pedicles, lamina, and spinous process, vertical foramen is triangular
Term
Thoracic Vertebrae
Definition
Vertebrae; T1-T12; 1-10 articulates with ribs from facets; heart shaped body; vertical foramen is circular; long spinous process that points inferiorly
Term
Sacral Promontory
Definition
Sacrum
Term
Sacral Canal
Definition
Sacrum
Term
Sacral Hiatus
Definition
Sacrum
Term
Sacral Foramina
Definition
Sacrum; for passage of sacral spinal nerves
Term
Median Sacral Crest
Definition
Sacrum (posterior)
Term
Ala of the Sacrum
Definition
Sacrum
Term
Auricular surface of the Sacrum
Definition
Sacrum
Term
Coccyx
Definition
Coccyx; C0
Term
Intervertebral disk
Definition
Vertebrae
Term
Intervertebral Foramen
Definition
Vertebrae; opening in between 2 vertebrae; allows passage of nerves from spinal cords
Term
Sternum
Definition
Sternum; contains 3 fused bones: manubrium, body and xiphoid process
Term
Manubrium
Definition
Superior end of Sternum; articulates with clavicle and first 2 ribs
Term
Xiphoid Process
Definition
Distal end of Sternum
Term
True Ribs/ Vertebrosternal
Definition
Ribs (1-7); attach directly to sternum
Term
False Ribs/ Verebrochondral
Definition
Ribs (8-10); attach to sternum indirectly via cartilage
Term
Floating Ribs (still false ribs)
Definition
Ribs (11&12); do not have anterior attachments
Term
Head of Rib
Definition
Ribs; articulates with facets on vertebral bodies
Term
Neck of Rib
Definition
Ribs
Term
Tubercle of Rib
Definition
Ribs; articulats with transverse processes of thoracic vertebraes
Term
Shaft/body of Rib
Definition
Ribs; forms rib cage
Term
The Orbit
Definition
7 Bony structures which contain the eyeball; includes the frontal, sphenoid, zygomatic, maxilla, palatine, lacrimal, and ethmoid bone
Term
Nasal Cavity
Definition
Roof: Cribiform plates (ethmoid bone)
Lateral walls: nasal concha & palatine
Floor: palatine bones (maxilla)
Septum: vomer
Term
Paranasal Sinuses
Definition
helps to lighten skull and humidify air in nasal cavities
Term
Characteristics of Vertebral Column
Definition
24 Vertebrae; 7 Cervical (concave, 12 Thoracic (convex), 5 Lumbar (concave), 5 fused Sacrum (convex), 3-5 fused Coccyx; separated by intervertebral discs
Term
Transverse Processes of Vertebrae
Definition
Vertebrae; projections from vertebral arch; thoracic contains facets for articulation with rib tubercles
Term
Tubercles
Definition
of the rib; supraglenoid & infraglenoid (scapula); greater & lesser tubercles (humerus); adductor (femur)
Term
Tuberosities
Definition
Gluteal; Radial; Ischial;
Term
Fossas
Definition
Subscapular, Supraspinous, & infraspinous (scapula); illiac; Intercondylar (femur); hypophyseal fossa (sphenoid)
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