7.4: Bone Shape Classifications
- Page ID
- 53605
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Bone Shape Classifications
There are six types of bones in the human body: long, short, flat, irregular, sesamoid and sutural.
|
Shape |
Description |
Example |
|---|---|---|
|
long bones |
Longer that they are wide |
humerus, radius, ulna, femur, tibia fibula |
|
short bones |
Length and wide are about the same |
bones of the wrist and ankle |
|
flat bones |
They are flat |
bones of the skull, sternum, ribs, and hip |
|
irregular bones |
Shape does not fit any of the other descriptions |
ethmoid, sphenoid bone, vertebra, sacrum |
|
sesamoid bones |
Oval shaped bones located within tendons |
patella |
|
sutural bones |
Small bones located between flat bones of the skull at the suture |
Wormian bones of skull (small irregular bones embedded in a cranial suture) |
Above: The classifications of bone shapes with examples of each.
Attributions
- "Anatomy and Physiology I Lab" by Victoria Vidal is licensed under CC BY 4.0