n.
A ribbonlike structure consisting of three protein components and extending across the region of synapsed chromosomes during the prophase of meiosis.
[SYNAPTI(C) + Greek nēma, thread + -AL1.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.