Symptoms. Related dementias share some common symptoms. Vascular changes that start in brain areas that play a key role in storing and retrieving information may cause memory loss that looks very much like Alzheimer's disease.
Rh is short for Rhesus factor. Rhesus factor is a type of antigen present on the surface of red blood cells. If you have have this particular antigen, you are Rh positive. If you donât, youâre Rh negative. The Rh factor is important in determining blood type for transfusions. Normally Your immune system protects against potentially harmful substances (antigens). When foreign antigens enter your body, your immune system makes antibodies to help destroy them.
The Rh factor (ie, Rhesus factor) is a red blood cell surface antigen that was named after the monkeys in which it was first discovered. Rh incompatibility, also known as Rh disease, is a condition that occurs when a woman with Rh-negative blood type is exposed to Rh-positive blood cells, leading to the development of Rh antibodies.