poli
poli — noun
1. a prefix-like element used in medical words to mean 'gray', especially when talk
a prefix-like element used in medical words to mean 'gray', especially when talking about the gray tissue inside the brain and spinal cord
Dr. Folake pointed at gray spots on the scan. 'That is poliomyelitis — polio means gray,' she told the intern.
compound: poliomyelitis explained in a diagnostic scene
Poliosis is a medical term for patches of white or gray hair caused by lack of pigment.
compound: poliosis means gray condition
Mei could not move her legs, so Dr. Hana tested her for poliomyelitis — a virus that attacks gray matter.
Dr. Walid showed the trainee the MRI scan and pointed at a gray area. 'This patient has poliencephalitis,' he said.
用法筆記
Only appears as part of compound medical terms. Never used as a standalone English word. The form 'polio-' is more common than 'poli-' before a consonant.
常見錯誤
2. a word part that refers to the color gray, used mostly in medical and scientific
a word part that refers to the color gray, used mostly in medical and scientific terms describing gray-colored tissues or conditions
Dr. Beatrix showed students a slide of stained nerve cells. 'The gray color gave poliovirus its name,' she said.
combining form: polio- = gray, shown in lab context
Dr. James pointed at the MRI. 'Gray spots in the cord — that is why doctors call this poliomyelitis.'
When Takeshi's grandmother noticed a gray patch in her hair, the doctor examined it and said it was poliosis.
Dr. Diya showed her students the gray cells under the microscope. 'Polio- means gray,' she said.
用法筆記
Both 'poli-' and 'polio-' are variant forms of the same Greek-derived combining element. 'Polio-' is more common in modern medical English.