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Chapter 6
Osseous Tissue and Bone Structure
15
Anatomy
Undergraduate 2
06/02/2013

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Term
Flat bones
Definition
This type of bone forms at the roof of the skull, the sternum, the ribs, and the scapulae.
Term
sutural bones
Definition
Also called Wormian bones, they are flat, small, and irregularly shaped and are located between the flat bones of the skull.
Term
long bones
Definition
These bones are located in the arm and forearm, thigh and leg, palms, soles,fingers, and toes.
Term
irregular bones
Definition
This bone type has complex shapes with short, flat, notched, or rigid surfaces. Examples include the spinal vertebrae and the bones in the pelvis.
Term
sesamoid bones
Definition
these bones develope inside the tendons and are most commonly located near joints at the knees, the hands, and the feet.
Term
short bones
Definition
these bones are short and boxy. examples include bones bones in the wrists and ankles.
Term
canal/meatus
Definition
a large passageway through the substance of a bone
Term
process
Definition
any projection or bump
Term
sinus
Definition
a chamber within a bone that is normally filled with air
Term
foramen
Definition
small, rounded passageway through which blood vessels or nerves penetrate the bone.
Term
fissure
Definition
an elongated cleft or gap
Term
osteoblasts
Definition
these cells produce new bone matrix in a process called osteogenesis
Term
osteocytes
Definition
maintain the protein and mineral content of the surrounding matrix through the turnover of matrix components
Term
oseoclasts
Definition
cells that remove and recycle bone matrix
Term
osteoprogenitor
Definition
stem cells that divide to produce daughter cells that differentiate into osteoblasts
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