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What are the 4 groups of bones in the head?

  • Neurocranium (AKA- cranial vault)

  • viserocranium (AKA- Facial bones)

  • auditory ossicles

  • hyoid bone


  • Name the bones in the neurocranium


  • Parietal bones

  • Frontal bone

  • Occipital bone

  • Temporal bones

  • Sphenoid bone

  • Ethmoid bone

How many bones make up the neurocranium?
8 total
Name the bones in the Viserocranium (AKA-Facial bones)

  • Zygomatic bone

  • Maxilla

  • Palatine bone

  • Nasal bone

  • Lacrimal bone

  • Vomer

  • inferior nasal concha

  • mandible

How many bones total make up the viserocranium?
14 total
Name the bones in the auditory ossicles

  • Malleus

  • Incus

  • Stapes

how many bones total are in the auditory ossicles?
6
Define: Skull
the 22 bones forming the neurocranium and viserocranium
Define: Calveria
The superior aspect of the skull
Define: Fontanel
The "Soft spots" where bones haven't fused together yet
Define: Foramen magnum
The large opening in the skull which transmits the spinal cord
Define Zygomatic arch
the facial arch (Cheek bone) that is formed by the fusion of the temporal bone and the zygomatic bone
Which bones contribute to the orbit?

  • Maxilla

  • Frontal bone

  • Sphenoid bone

  • Zygomatic bone

  • Lacrimal bone

  • Ethmoid bone

  • Palatine bone

What is the difference between the inferior nasal concha and the superior and middle nasal concha
The are from 2 different bones
What is the Human vertebral formula?
C7T12L5S5Cy4
What are the bones that fuse together to form the stermum?

  • Manubrium

  • sternal body

  • Xiphoid process

Compare endochondral and intramembranous ossification

  • Endocondral ossification- is when the bone grows in length (From each end)

  • Intramembranous ossification- is when the bone grows in diameter (such as when a body builder bulks up and his bones grow to sustain a larger build)

Define: Primary center of ossification
the center of the developing bone where the four steps of the (endocondral ossification) is completed
Define: Secondary center of ossification
This is the area in a growing bone that follows the endochondral ossification
Explain how the medullary cavity gets larger in a growing long bone....
The osteoclastic activity is very active and the internal circumferential lumellae has not been layed down until the bone is done growing
Define: Delayed Union
a fracture that takes a LONG time to heal
Define: Pseudoarthrosis
false joints caused by a fracture not healing properly
Define: Pelvimetry
measurements of the diameters of the pelvis
x of y cards