thalamencephalon

[ thal-uh-men-sef-uh-lon, -luhn ]

noun

, Anatomy.

, plural thal·a·men·ceph·a·lons, thal·a·men·ceph·a·la [thal-, uh, -men-, sef, -, uh, -l, uh].

1. the diencephalon.

thalamencephalon

/ ˌθæləmɛnˈsɛfəˌlɒn; ˌθæləˌmɛnsəˈfælɪk /

noun

1. the part of the diencephalon of the brain that includes the thalamus, pineal gland, and adjacent structures
2. another name for diencephalon

Derived Forms

• thalamencephalic, adjective

Other Words From

• thal·a·men·ce·phal·ic [thal-, uh, -men-s, uh, -, fal, -ik], adjective

Word History and Origins

Origin of thalamencephalon¹

First recorded in 1870–75; thalam(us) + encephalon

Example Sentences

The Thalamencephalon is much reduced.

From Project Gutenberg

On the floor of the thalamencephalon the blind pouch-like infundibulum is in contact with the pituitary body, an outgrowth from the combined pituitary and olfactory pouch, which in the adult opens on to the top of the head just in front of the pineal area.

From Project Gutenberg

The original anterior vesicle from which the hemispheres evaginate is composed, as already shown, of an anterior part or telencephalon and a posterior or thalamencephalon; the whole forming the third ventricle in the adult.

From Project Gutenberg

In connexion with the thalamencephalon, though not really belonging to it, may be mentioned the anterior lobes of the pituitary body; these begin as an upward diverticulum from the posterior wall of the primitive pharynx or stomatodaeum about the fourth week.

From Project Gutenberg

From the ventral parts of these cerebral hemispheres the olfactory lobes are 403 constricted off, while just behind the openings of the foramina of Munro a constriction occurs which divides the prosencephalon into two secondary vesicles, the anterior of which, containing the foramina of Munro, is called the telencephalon, while the posterior is the thalamencephalon or diencephalon.

From Project Gutenberg