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insula

American  
[in-suh-luh, ins-yuh-] / ˈɪn sə lə, ˈɪns jə- /

noun

Anatomy.
insulae plural
  1. a group of convolutions situated at the base of the lateral fissure of the brain.


insula British  
/ ˈɪnsjʊlə /

noun

  1. Also called: island of Reil.  a pyramid-shaped area of the brain within each cerebral hemisphere beneath parts of the frontal and temporal lobes

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of insula

1825–35; < New Latin, Latin: island; cf. isle

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.

See Examples For:

But we also have the insula, which processes risk, including the risk of social ostracization—to which the parietal cortex makes us extremely sensitive.

From The Wall Street Journal Dec. 10, 2025

Legon's study, however, is the first to target the insula and show that focused ultrasound can reach deep into the brain to ease pain.

From Science Daily Feb. 5, 2024

The insula is a part of the brain specifically involved in conscious awareness of your emotions, pain and bodily sensations.

From Salon Sep. 6, 2023

As the insula is further revealed, scaffolding is being put up around what remains of the buildings to make protective roofing.

From BBC Jul. 18, 2023

If this etymon be deemed unsatisfactory, they offer the following: from the Fr. isle, It. isola, Lat. insula, the word island, they say, is easily deflected.

From Notes and Queries, Number 194, July 16, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc by Bell, George

In large cities, many lived in insulae, apartment complexes of three to four levels that occupied a rectangular city block.

From Textbooks Apr. 19, 2023

The exhibition’s leitmotif is the domus, the single- family home, as opposed to the insulae, the multistory apartment buildings that dominated imperial Rome.

From BusinessWeek Nov. 30, 2011

Fronting north with westing, it is divided into squares, blocks, and insulae, after the fashion of a chessboard.

From To the Gold Coast for Gold A Personal Narrative in Two Volumes.—Volume I by Burton, Richard Francis, Sir

These insulae were usually built or owned by men of capital, and were often called by the names of their owners.

From Social life at Rome in the Age of Cicero by Fowler, W. Warde

From each cochlear nerve a path has been traced which passes to the insulae and the above-mentioned temporal region of cortex of both the cerebral hemispheres.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various

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