Medical term:
homologous
homologous
[ho-mol´ŏ-gus]1. corresponding in structure, position, origin, or other aspects.
2. allogeneic.
3. pertaining to an antibody and the antigen that elicited its production.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
ho·mol·o·gous
(hō-mol'ō-gŭs), Corresponding or alike in certain critical attributes.1. In biology or zoology, denoting organs or parts corresponding in evolutionary origin and similar to some extent in structure, but not necessarily similar in function.
2. In chemistry, denoting a single chemical series, differing by fixed increments.
3. In genetics, denoting chromosomes or chromosome parts identical with respect to their construction and genetic content.
4. In immunology, denoting serum or tissue derived from members of a single species, or an antibody with respect to the antigen that produced it.
5. Proteins having identical or similar functions (particularly with respect to proteins from different species).
[see homologue]
Farlex Partner Medical Dictionary © Farlex 2012
homologous
(hə-mŏl′ə-gəs, hō-)adj.
1. Corresponding or similar in position, value, structure, or function.
2. Derived from the same species: a homologous graft.
3. Biology Similar in structure and evolutionary origin, though not necessarily in function, as the flippers of a seal and the hands of a human.
4. Immunology Relating to the correspondence between an antigen and the antibody produced in response to it.
5. Genetics
a. Relating to chromosomes that have the same morphology and linear sequence of gene loci.
b. Relating to genes that are derived from a common ancestor.
6. Chemistry Belonging to or being a series of organic compounds, each successive member of which differs from the preceding member by a constant increment, especially by an added CH2 group.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
ho·mol·o·gous
(hŏ-mol'ŏ-gŭs)1. biology Denoting organs or parts corresponding in evolutionary origin and similar to some extent in structure, but not necessarily similar in function.
2. chemistry Denoting a single chemical series, differing by fixed increments.
3. genetics Denoting chromosomes or chromosome parts identical with respect to their construction and genetic content.
4. immunology Denoting serum or tissue derived from members of a single species, or an antibody with respect to the antigen that produced it.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
homologous
1. Of corresponding structure, position, function or value.
2. Having the same consecutive sequence of genes as another chromosome.
3. Belonging to a series of organic compounds of which the successive members differ by constant chemical increments.
4. Of transplantation in which the donor and recipients are of the same species.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
homologous
(of organs, or structures) deriving from the same evolutionary origins. For example, the forelimb of a quadruped, the human arm, the wing of a bird, are said to be homologous (see PENTADACTYL LIMB). Usually similarities are seen best in embryonic development, and are regarded by taxonomists as indications of relationships between present-day organisms.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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