prosencephalon

American

[pros-en-sef-uh-lon, -luhn] / ˌprɒs ɛnˈsɛf əˌlɒn, -lən /

noun

Anatomy.

PLURAL

prosencephalas, prosencephala

the forebrain.

prosencephalon British

/ ˌprɒsɛnˈsɛfəlɒn, ˌprɒsɛnsɪˈfælɪk /

noun

Nontechnical name: forebrain. the part of the brain that develops from the anterior portion of the neural tube Compare mesencephalon rhombencephalon

"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

prosencephalic adjective

Etymology

Origin of prosencephalon

1840–50; < New Latin < Greek prós ( ō ) forward (akin to pró pro- ² ) + enképhalon encephalon

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.

The first is known as the cephalic, and is caused by the prosencephalon bending sharply downward, below and in front of the mesencephalon.

From Project Gutenberg

The single cavity seen in Amphioxus is here subdivided into three: an anterior or prosencephalon, a middle or mesencephalon, and a hinder or rhombencephalon.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023