telencephalon

[ tel-en-sef-uh-lon, -luhn ]

noun

, Anatomy.

, plural tel·en·ceph·a·lons, tel·en·ceph·a·la [tel-en-, sef, -, uh, -l, uh].

1. the anterior section of the forebrain comprising the cerebrum and related structures.

telencephalon

/ ˌtɛlɛnˈsɛfəˌlɒn; ˌtɛlɛnsɪˈfælɪk /

noun

1. the cerebrum together with related parts of the hypothalamus and the third ventricle

Derived Forms

• telencephalic, adjective

Other Words From

• tel·en·ce·phal·ic [tel-en-s, uh, -, fal, -ik], adjective

Word History and Origins

Origin of telencephalon¹

First recorded in 1900–05; tel- ² + encephalon

Example Sentences

The finding of a prototype of the vertebrate telencephalon in the ascidian larva raises the question of how the complicated structure of the vertebrate brain evolved.

From Nature

A high-resolution enhancer atlas of the developing telencephalon.

From Nature

This suggests that the expansion of the telencephalon was already completed shortly after the Mesozoic, and that the development of the Wulst formed a new phase in avian brain development.

From The Guardian

The roof of the telencephalon is mainly epithelial, and contains no traces of cortical structure.

From Project Gutenberg

Cao and co-workers’ data also help to elucidate the evolutionary origins of the telencephalon of the vertebrate brain; in many higher vertebrates, the telencephalon is enlarged and is crucial for perception and cognition.

From Nature