Buccal smear
Alternate Names : Sex chromatin test
Definition
A buccal smear (pronounced "buckle") is the painless removal of a sample of cells from the lining of the mouth (inside of the cheek) for study.
Why is the Test Performed?
The procedure is used to obtain cells for chromosome and DNA analysis,most often for genetic testing. The International Olympic Committee adopted the test many years ago to help detect male imposters among female athletes. When the test is used in this way, it's called the sex chromatin test. This method may also help establish the sexual identity of newborns.
How is the Test Performed?
The health care provider will gently scrape the inside of the cheek with a small spatula to collect cells for testing.
How to Prepare for the Test?
Rinse and wash the mouth as instructed.
How will the Test Feel?
You will feel a scraping sensation as cells are removed from the cheek.
Pictures & Images
 See all Pictures & Images
|
