Rh-negative and Rhesus factor

Rh-negative adjective - Of persons (or their blood) lacking the Rh factor present in their red blood cells.

Rhesus factor and Rh-negative are semantically related in blood group antigen topic. In some cases you can use "Rhesus factor" instead a noun phrase "Rh-negative".

Rhesus factor noun - A blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia.

Rh-negative and rhesus factor are semantically related in blood group antigen topic. You can use "Rh-negative" instead a noun phrase "Rhesus factor".