Rh negative


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Rh negative: Blood Types

Rh negative

n
1. (Biochemistry) blood that does not contain the Rh factor
2. (Biochemistry) a person having such blood

Rh factor

(ˈɑrˈeɪtʃ)
n.
any of a group of antigens on the surface of red blood cells, those having inherited such antigens being designated Rh + (Rh positive) and those lacking them, a much smaller group, being designated Rh− (Rh negative) : transfused or fetal Rh + blood may induce a severe reaction in an Rh− individual.
[1940–45; so called because first found in the blood of rhesus monkeys]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Rh negative - the blood group whose red cells lack the Rh factor (Rh antigen)
blood group, blood type - human blood cells (usually just the red blood cells) that have the same antigens
References in periodicals archive ?
Are those with RH negative blood type descendants of this great experiment?
In particular blood banks need universal blood group O Rh Negative, and rarer blood groups A Rh Negative, B Rh Negative and AB Rh Negative.
The second-rank groups are named after the Rhesus antigen, Rh, and you are either Rh positive or Rh negative.
All ABO units and those that type Rh negative used to be retyped manually, which would bog down workflow, but that task has been automated as well.
Supplies of the universal blood group O Rh negative are often in short supply as demand is so great, but a regular supply of all blood types is vital and rarer blood groups A Rh negative, B Rh negative and AB Rh negative are also at risk of running low.
Every blood donation is vital, but over winter months there is a particular need of a regular supply of group O Rh Negative to respond to patient need.
WITH the summer holidays here, people are being asked to give blood before they go away, especially if they have the groups B Rh negative and O Rh negative.
Contract awarded for card abo / d (vi +) + coombs direct in infants card for confirmation of rh negative donor
NHS Blood and Transplant are appealing to donors who are O Rh negative (O-) and B Rh negative (B-) in England and North Wales to come forward following the drop in donations across all blood groups from the same period last year.
NHS Blood and Transplant are appealing to donors who are O Rh negative (O-) and B Rh negative (B-) in North Wales and England to come forward following the drop in donations across all blood groups from the same period last year.
Ahmad Al Emam of Abu Dhabi Blood Bank encouraged participants with rare blood groups such as O positive and RH negative to come forward and donate blood.
The response we are getting to blood group type Rh negative is very low, particularly blood type O- is very important because in case a person is involved in an accident and needed operation or blood transfusion immediately, we have to begin giving O- first in order to save his or her life before concluding the laboratory check of the person's blood group type," the official said.