Human Skeletal Bones Overview

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Questions and Answers

What are long bones?

  • Bones that are thicker than they are long
  • Considerably longer than they are wide (correct)
  • Bones with irregular shapes
  • Curved bones

What are irregular bones?

Bones with complicated shapes that fit none of the preceding classes.

Match the following types of bones with their descriptions:

Long bones = Considerably longer than they are wide Irregular bones = Have complicated shapes Flat bones = Thin, flattened, and usually a bit curved Short bones = Roughly cube shaped Sesamoid bones = Shaped like a sesame seed

Give examples of flat bones.

<p>Sternum, scapulae, ribs, clavicle, skull bones.</p> Signup and view all the answers

The patella is an example of a ______ bone.

<p>sesamoid</p> Signup and view all the answers

What are short bones?

<p>Roughly cube shaped bones.</p> Signup and view all the answers

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Study Notes

Long Bones

  • Characterized by being considerably longer than wide.
  • Consist of a shaft and two ends.
  • Found in all extremities, except patella, wrist, and ankle bones.
  • Examples include: humerus, phalanges, radius, ulna, femur, tibia, and fibula.

Irregular Bones

  • Have complex shapes that do not conform to other bone categories.
  • Include vertebrae, hip bones, and facial bones.

Flat Bones

  • Typically thin, flattened, and slightly curved.
  • Serve protective functions and include examples such as sternum, scapulae, ribs, clavicle, and skull bones.

Short Bones

  • Approximately cube-shaped in appearance.
  • Primarily located in the wrist and ankle regions.

Sesamoid Bones

  • Shaped like a sesame seed.
  • A unique type of short bone that develops within a tendon.
  • The most well-known example is the patella (kneecap).

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