Osteolysis Is

question 79

Multiple Choice

Osteolysis is

• A)demineralization due to hydrochloric acid activity.
• B)the release of calcium and phosphate from the matrix.
• C)the result of osteoclast activity.
• D)the result of enzyme activity.
• E)All of these answers are correct.

---

Definitions:

Troponin

A regulatory protein complex involved in muscle contraction, found in the muscle fibers, and sensitive to calcium concentrations.

Tropomyosin

A muscle protein involved in regulation of contraction.

Sarcomere

A segment of a striated muscle cell located between adjacent Z lines that serves as a unit of contraction.

Exoskeleton

An exoskeleton is a rigid external covering for the body in some invertebrate animals, especially arthropods, providing protection and support for the organism.