trans-
word element [L.], through; across; beyond.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
trans-
1. Prefix (in italics) denoting across, through, beyond; opposite of cis-.
2. In genetics, a prefix denoting the location of two genes on opposite chromosomes of a homologous pair.
3. In organic chemistry (in italics), a form of geometric isomerism in which the atoms attached to two carbon atoms, joined by double bonds, are located on opposite sides of the molecule.
4. In biochemistry, a prefix to a group name in an enzyme name or a reaction denoting transfer of that group from one compound to another; for example, transformylase (transfers a formyl group), transpeptidation.
[L. trans, through, across]
Farlex Partner Medical Dictionary © Farlex 2012
trans-
1. Prefix denoting across, through, beyond; opposite of cis-.
2. genetics Denoting the location of two genes on opposite chromosomes of a homologous pair.
3. organic chemistry A form of geometric isomerism in which the atoms attached to two carbon atoms, joined by double bonds, are located on opposite sides of the molecule.
4. biochemistry A prefix to a group name in an enzyme name or a reaction denoting transfer of that group from one compound to another.
[L. trans, through, across]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
trans-
Prefix denoting across, through or beyond. In stereochemistry, indicating that two groups are in the TRANS configuration. The prefix is usually italicized.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
trans-
prefix denoting across or over.
trans-
acting the product of a GENE that is capable of acting on genes elsewhere in the CELL. The gene product, for example a REPRESSOR, is diffusible and so can diffuse through the cytoplasm to act on other DNA molecules. Compare CIS -ACTING.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005