habenula
Americannoun
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of habenula
1875–80; < Latin: small strip of skin, equivalent to habēn ( a ) strap, thong, rein (derivative of habēre to have, hold, possess; cf. able, habit 1) + -ula -ule
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Some cortical areas showed increased receptor density, while reductions were seen in regions associated with reward processing, especially the habenula.
From Science Daily • Mar. 8, 2026
The gene proved very active in the habenula, a region of the cichlid’s brain that registers fear and instigates movement.
From Science Magazine • Apr. 24, 2024
The habenula, for its part, clearly acts as a kind of "satnav," showing the fish where it can locate a comfortable temperature and guiding it straight back there.
From Science Daily • Feb. 1, 2024
Meanwhile, chronically high glucose levels—communicated through the vagus and other interoceptive pathways—cause the habenula to respond less vigorously to nicotine, prompting the rats to seek more of the drug.
From Science Magazine • Jun. 10, 2021
Proulx, C. D., Hikosaka, O. & Malinow, R. Reward processing by the lateral habenula in normal and depressive behaviors.
From Nature • Feb. 13, 2018
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
