a ring of interconnected structures in the midline of the brain around the hypothalamus, involved with emotion and memory and with homeostatic regulatory systems.
A massive new planet in our solar system named Tyche? Maybe. But what does “Tyche” mean?There may be a new planet joining the solar system. A provocative hypothesis posed by a duo of planetary astronomers from the University of Louisiana-Lafayette includes the existence of the planet Tyche: a ninth planet estimated to be four times the size of Jupiter located somewhere at the outermost reaches of the solar system. It’s hard to know what is more enjoyable: stories about planets …
How the prefix “franken-” took on a life of its own. . .As Halloween quickly approaches, Frankenstorm is sneaking up on the East Coast. Forecasters are calling the hurricane headed for New York, New Jersey, and as far inland as Ohio, “Frankenstorm” because (like the monster in Mary Shelley’s 1818 novel Frankenstein or The Modern Prometheus) this storm is stitched together from three different weather systems, Hurricane Sandy from the Caribbean, a western early winter storm, and a …
Origin of limbic system
First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
/ (ˈlɪmbɪk) /
the part of the brain bordering on the corpus callosum: concerned with basic emotion, hunger, and sex
Word Origin for limbic system
C19 limbic, from French limbique, from limbe limbus, from New Latin limbus, from Latin: border
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
A group of deep brain structures, common to all mammals and including the hippocampus, amygdala, gyrus fornicatus, and connecting structures, associated with olfaction, emotion, motivation, behavior, and various autonomic functions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
[ lĭm′bĭk ]
A group of interconnected structures of the brain including the hypothalamus, amydala, and hippocampus that are located beneath the cortex, are common to all mammals, and are associated with emotions such as fear and pleasure, memory, motivation, and various autonomic functions.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.