Definitions

1. noun

A protrusion or projecting part, especially one of the bones of the spine that has grown out of place and is pressing on a nerve.

“The doctor diagnosed the patient with a severe case of ecthesis that required immediate surgery.”

2. noun

A type of joint or abnormal growth in the spine or other bones, often caused by injury or disease.

“The MRI revealed a painful ecthesis in the patient’s lower back that needed to be treated urgently.”