If it is positive, then you may have a hepatitis B infection. This test may have to be repeated to confirm whether you have a chronic infection. 2. Hepatitis B surface Antibody (HBsAb or anti-HBs) - this tests for the surface antibody that your immune system makes to fight off the virus.
Rottenstone definition, a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals. See more. Dictionary.com
Bloodstone is a dark green to dark bluish-green variety of Chalcedony that is speckled with red or brown spots. The spotting appears similar to blood stains, as is indicative of the name of this gemstone. The spots may be very sparse to almost non-existent, or they may be very dense and interwoven.