Textbook Question
Mark the following statements about bone tissue as true or false. If a statement is false, correct it to make a true statement.
f. Osteocytes are mature and less active osteoblasts that have become surrounded by bone ECM.
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6. Bones & Skeletal Tissue
An Introduction to Bone and Skeletal Tissue
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What is the primary function of sesamoid bones?
A
To provide structural support to the body
B
To protect tendons from stress and wear
C
To facilitate the production of red blood cells
D
To store minerals such as calcium and phosphorus
Verified step by step guidance1
Understand the definition of sesamoid bones: These are small, round bones embedded within tendons, typically found in locations where a tendon passes over a joint.
Recognize the primary function of sesamoid bones: They are primarily involved in protecting tendons from stress and wear, especially in areas of high friction, tension, or physical stress.
Differentiate the function of sesamoid bones from other bone functions: Unlike long bones that provide structural support or flat bones that facilitate red blood cell production, sesamoid bones are specialized for tendon protection.
Consider examples of sesamoid bones: The patella (kneecap) is the largest sesamoid bone in the human body, which protects the knee joint and improves the leverage of the thigh muscles.
Conclude by summarizing the role of sesamoid bones: Their unique position and structure allow them to reduce friction, modify pressure, and sometimes alter the direction of muscle pull, thereby protecting tendons from damage.
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