thalamencephalon

American  

[thal-uh-men-sef-uh-lon, -luhn] / ˌθæl ə mɛnˈsɛf əˌlɒn, -lən /

noun

Anatomy.

plural

thalamencephalons, thalamencephala

1. the diencephalon.

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thalamencephalon British  

/ 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

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Other Word Forms

• thalamencephalic adjective

Etymology

Origin of thalamencephalon

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

Example Sentences

The original fore-brain is often called the thalamencephalon, the hemisphere, the prosencephalon, the olfactory lobes, the rhinencephalon.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)

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

The cerebral hemispheres are not convoluted, and, looked at from the dorsal aspect, do not hide the thalamencephalon and mid-brain.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)

In the floor of the thalamencephalon are two masses of ganglionic tissue, the optic thalami.

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

Finally, we may note the pineal gland and the pituitary body, as remarkable appendages above and below the thalamencephalon.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)