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339 Terms
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internal auditory meatus
Passageway for nerves and vessels that supply the ear.
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mandibular fossa
the depression in the temporal bone into which the condyle of the mandible fits
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carotid canal
passageway for internal carotid artery
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ethmoid bone
Name this bone of the skull (superior view).
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crista galli
line in ethmoid bone
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cribiform foramina
tiny holes in the cribiform plates that allow for the passage of filaments of cranial nerve I (olfactory nerve)
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perpendicular plate
forms superior part of nasal septum
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middle nasal concha
Name this bony landmark.
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sphenoid bone
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sella turcica
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optic canal
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superior orbital fissure
Name this opening.
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inferior orbital fissure
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greater wing
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lesser wing
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pterygoid process
Process of the sphenoid bone, consisting of two plates
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foramen ovale
Name this foramen.
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foramen spinosum
Name this foramen.
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foramen lacerum
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frontal rotundum
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Zygomatic bone
the arch of bone beneath the eye that forms the prominence of the cheek
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frontal process of zygomatic bone
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temporal process of zygomatic bone
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maxillary process of zygomatic bone
articulates with maxilla
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zygomatic arch
cheek bone
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nasal bone
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vomer
nasal septum
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inferior nasal conchae
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lacrimal bone
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nasolacrimal canal
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palatine bone
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maxilla
upper jaw
frontal process of maxilla
the ascending part of the upper jaw which gradually protrudes as it rises beside the nasal bone to meet the frontal bone; the ascending process of the upper jaw.
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zygomatic process
a projection of the temporal bone that forms part of the zygoma
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Condyle
A smooth, rounded articular process
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head
bony expansion carried on a narrow neck
facet
smooth, nearly flat articular surface
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Trochea
a smooth, grooved articular process shaped like a pulley
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process
any bony prominence
Tubercle
Small rounded projection or process
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Tuberosity
large rounded projection
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Trochanter
Very large, blunt, irregularly shaped process
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spine
sharp, slender, often pointed projection
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Crest
Narrow ridge of bone; usually prominent
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ramus
An extension of a bone making an angle with the rest of the structure
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Epicondyle
Raised area on or above a condyle
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line
Narrow ridge of bone; less prominent than a crest
Fossa
a shallow depression or hollow.
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canal
an artificial waterway
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Meatus
opening or canal
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Foramen
Round or oval opening through a bone
fissure
an opening; a groove; a split
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Sulcus
groove
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sinus
cavity within a bone
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suture
interlocking line of union between bones
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Epiphysis
End of a long bone
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compact bone
Hard and dense, but not solid, bone tissue that is beneath the outer membrane of a bone.
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spongy bone
Layer of bone tissue that has many small spaces and is found just inside the layer of compact bone.
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red marrow
produces blood cells
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epiphyseal line
growth plate
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Diaphysis
shaft of a long bone
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marrow cavity
contains bone marrow
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yellow marrow
stores fat
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endosteum
: the layer of vascular connective tissue lining the medullary cavities of bone.
infraorbital foramen
opening under the orbit carrying the infraorbital nerves and blood vessels the the nasal region
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palatine process
forms the anterior portion of the hard palate (roof) of the mouth also forms parts of the nasal cavity and eye orbits
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incisive foramen
Name this foramen.
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body of mandible
horizontal portion of the mandible
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mental foramen
Name this foramen.
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greater horn of hyoid bone
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malleus
hammer
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Coccyx
tailbone
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intervertebral discs
fibrocartilage pads that separate and cushion the vertebrae
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Axis
C2
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body of vertebra
anterior portion of the vertebra is solid to provide strength
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dens
tooth
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Transverse process
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superior articulating process and facet
Paired and project superiorly from the junction of the lamina and pedicle
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Sacrum
5 fused vertebrae
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auricular surface
articulates with sacrum
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sacral foramina
holes in sacrum
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median sacral crest
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superior articulating process and facet(of sacrum)
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manubrium
upper portion of the sternum
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clavicular notch
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body of sternum
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jugular notch
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xiphoid process
lower, narrow portion of the sternum
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true ribs
first 7 pairs of ribs; attach directly to sternum
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floating ribs
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head of rib
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Tubercle
small rounded projection
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sternal end
Name this specific part of the clavicle.
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costal groove
groove on the inferior side of the rib shaft
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false ribs
last 5 pairs of ribs; attach indirectly to sternum
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rib
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Sternum
chest bone
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sacral canal
sacrum
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sacral promontory
Where the first sacral vertebrae bulges into pelvic cavity
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lamina
part of the vertebral arch
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vertebral arch
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inferior articular process
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spinous process
sharp, slender projection
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transverse foramina
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vertebral foramen
canal through which spinal cord passes
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vertebra prominens
C7
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Atlas
C1
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stapes
stirrup
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cervical vertebrae
C1-C7
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lumbar vertebrae
L1-L5
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Thoracic Vertabrae (12)
The middle vertebrae
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incus
anvil
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Ossicles
three tiny bones in the middle ear
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lesser horn
Name this part of the hyoid bone.
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body of hyoid bone
What is the arrow pointing to?
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hyoid bone
a U-shaped bone in the neck that supports the tongue.
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ramus
branch
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mandibular condyle
Articulation point of the mandible with the mandibular fossa of the temporal bone
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Mandible
lower jaw
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coronoid process
Name this part of the mandible.
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alveolar process of maxilla
curved, inferior margin of the maxilla that supports and anchors the upper teeth
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mandibular notch
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Peristeum
Outer covering of bone
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Osteon
structural unit of compact bone
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cirumferential lamellae
thin plates that extend around the bone
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Intestitial lamellae
are remnants of concentric or circumferential lamellae that were partially removed during bone remodeling.
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central canal
a fluid-filled channel in the center of the spinal cord
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perforating canals
structures through which blood vessels enter and exit the bone shaft.
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Canaliculi
little channels that connect lacunae
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lacuna
small cavities in bone that contain osteocytes
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trabeculae
supporting bundles of bony fibers in cancellous (spongy) bone
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ostecyte
mature bone cell
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axial skeleton
The portion of the skeleton that supports and protects the head, neck, and trunk
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appenidicular skeleton
Portion of the skeleton that include legs, arms and shoulders, and hips.
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cranial bones
skull bones: ethmoid, frontal, occipital, parietal, sphenoid, and temporal
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frontal bone
forehead
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supraorbital foramen (notch)
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supraorbital ridge
bony projection in the eyebrow area of the frontal bone
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anterior cranial fossa
formed by the frontal bone and part of the sphenoid bone
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frontal suture
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frontal sinus
cavity within the frontal bone
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parietal bone
either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium
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Sagitta suture
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occipital bone (skull)
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occiptial condyles
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foramen magnum
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hypoglossal canal
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jugular foramen
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posterior cranial fossa
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lamboid suture (bony anatomy of cranium)
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temporal bone of skull
bone that forms parts of the side of the skull and floor of the cranial activity. There is a right and left temporal bone.
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squamous suture
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middle cranial fossa
holds the temporal lobes of the brain
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mastoid process
round projection on the temporal bone behind the ear
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styloid process
pole-like process extending downward from the temporal bone on each side of the skull
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external auditory meatus
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petrous region
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greater sciatic notch
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lesser sciatic notch
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ischial tuberosity
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Pubis
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ischial ramus
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coracoid process
process above the glenoid cavity that permits muscle attachment