Rh negative


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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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
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References in periodicals archive ?
But the answer will not always be a simple Rh positive or Rh negative and will require an additional statement of explanation to both the patient and the physician.
AB blood group was quite rare and Rh positive was more common than Rh negative phenotype.
Majority (98.0%) of the subjects were Rh (D) positive and only 2% were Rh negative. The predominant subgroup of ABO was A2 (14.1%).
The overall positivity of Rh blood group was 95.0% (4345/4573), while Rh negative blood group accounted for 5.0% (228/4573) of the total donors.
At birth the baby's cord blood was group AB, Rh negative. A direct antiglobulin (Coombs) test was negative.
We should take necessary steps to prevent Rh incompatibility by providing appropriate antenatal care consisting of administration of Anti-D Immunoglobulin to unsensitised Rh negative mothers.
revealed 94.61% of the donor population was Rh positive and the rest were Rh negative, similar to present study where 97.62% students were Rh positive and rest 2.38% were Rh negative.
Majority of the subjects were Rh positive (94, 94%) and 6 were Rh negative. O group (49, 49%) had the highest frequency among Rh positive followed by B (32, 32%), A (8, 8%) and blood group AB (5, 5%) had the least frequency.
RH Type: A person with antigen-D in the blood is said to be Rh positive & absence of antigen D means RH negative.(14) Extensive studies on the pattern of blood group in Indian population reveals B+ to be the most common blood group followed by O+,A+, AB+.(15,16) This is opposite to the findings of N Srilekha,(1) which showed O+ to be most common blood group followed by B+.
'Rhesus' system is classified into 'Rh positive and 'Rh negative according to the presence or absence of 'D' antigen.
The frequency of blood group B in our population was 36.9 %; n= 3950 (35.37% B Rh positive and 1.61% B Rh negative) and frequency of blood group B remain highest in our study group.
In the present study in Prakasam District, the commonest Rh Blood type is Rh Positive (94.5%), less frequent is Rh negative (5.5%).