Medical term:
Robertson
Ar·gyll Ro·bert·son
(ar'gīl rob'ĕrt-sŏn), Do not hyphenate Argyll Robertson.Douglas, Scottish ophthalmologist, 1837-1909. See: Argyll Robertson pupil.
Farlex Partner Medical Dictionary © Farlex 2012
translocation
[trans″lo-ka´shun]the attachment of a fragment of one chromosome to a nonhomologous chromosome.
Translocation of a portion of one chromosome to another chromosome. Redrawn from Damjanov, 2000.
reciprocal translocation the mutual exchange of fragments between two broken chromosomes, one part of one uniting with part of the other.
robertsonian translocation that in which the breaks occur at the centromeres and entire chromosome arms are exchanged, usually involving two acrocentric chromosomes.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
ro·bert·so·ni·an trans·lo·ca·tion
translocation in which the centromeres of two acrocentric chromosomes appear to have fused, forming an abnormal chromosome consisting of the long arms of two different chromosomes with loss of the short arms. A carrier of a balanced robertsonian translocation has only 45 chromosomes but near normal chromosomal complement and a clinically normal phenotype; however, he or she is at risk of having a child with unbalanced chromosomal complement. A person with an unbalanced robertsonian translocation is trisomic for the long arm of the chromosome.
Synonym(s): centric fusion
[W.R.B. Robertson, U.S. geneticist.]
Farlex Partner Medical Dictionary © Farlex 2012
ro·bert·so·ni·an trans·lo·ca·tion
(rob'ĕrt-sō'nē-ăn tranz'lō-kā'shŭn)Translocation in which the centromeres of two acrocentric chromosomes appear to have fused, forming an abnormal chromosome consisting of the long arms of two different chromosomes; if the translocation is balanced, the individual is clinically normal but a carrier of the translocation; if the translocation is unbalanced, the individual is trisomic for the long arm of a chromosome.
Synonym(s): centric fusion.
Synonym(s): centric fusion.
[W.R.B. Robertson, U.S. geneticist.]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Robertson,
W.R.B., U.S. geneticist, 1881–.robertsonian translocation - translocation in which the centromeres of two acrocentric chromosomes appear to have fused, forming an abnormal chromosome. Synonym(s): centric fusion
Medical Eponyms © Farlex 2012
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