Define osteoporosis:

• A. condition of low bone density
• B. condition of abnormal bone growth
• C. condition of increased bone density
• D. condition of excessive bone formaiton

Answer: (A)

Verified step by step guidance

1. Understand that osteoporosis is a medical term related to bone health.
2. Break down the word 'osteoporosis' into its roots: 'osteo-' means bone, and '-porosis' means porous or full of holes.
3. Recognize that 'porous' indicates a loss or decrease in density, meaning the bones become less dense and more fragile.
4. Compare the options given: 'condition of low bone density' aligns with the meaning of 'osteoporosis' because it describes bones that are weak and brittle.
5. Conclude that osteoporosis refers to a condition characterized by decreased bone density, making bones more susceptible to fractures.