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osteopenia (OS-tee-oh-PEE-nee-uh)

 A condition in which there is a lower-than-normal bone mass or bone mineral density (the amount of bone mineral contained in a certain amount of bone). Osteopenia is a less severe form of bone loss than osteoporosis.

Previous Definitions:osmotic, osteitis deformans, osteogenic sarcoma, osteolytic, osteomyelitis
Next Definitions:osteoporosis, osteosarcoma, ostomy, OTC, otolaryngologist