... A cheek swab has no risk. After a bone marrow test, you may feel stiff or sore where the sample was taken. This usually goes away in a few days. Serious risks are rare. What do the results mean? A normal or negative result means that there were 46 chromosomes in the sample without any unusual changes in their structure. An abnormal or positive result means that unusual changes in ...

... abnormal BCR-ABL1 gene has instructions for an abnormal protein. The protein causes certain bone marrow cells to make large numbers of abnormal ... ABL1 genetic tests. They check your blood or bone marrow for: The abnormal BCR-ABL1 gene Changes in chromosome 22 that ...

... bones that make the vibrations stronger. The vibrating bones make tiny waves in the fluid that's inside your cochlea. The cochlea is a snail-shaped structure in your inner ear . It is lined with sensory cells that have hair-like structures. When the hair cells move with the fluid waves, they create electrical signals. Your auditory (hearing) ... hearing loss: Conductive hearing loss happens when sound waves can't reach your inner ear. Earwax or abnormal fluid in your ear may be blocking the ...

... bones that make the vibrations stronger. The vibrating bones make tiny waves in the fluid that's inside the cochlea. The cochlea is a snail-shaped structure in the inner ear . It is lined with sensory cells that have hair-like structures. When the hair cells move with the fluid waves, they create electrical signals. The auditory (hearing) ... hearing loss: Conductive hearing loss happens when sound waves can't reach the inner ear. Earwax or abnormal fluid in the ear may be blocking the ...