myelencephalon

American  

[mahy-uh-len-sef-uh-lon] / ˌmaɪ ə lɛnˈsɛf əˌlɒn /

noun

Anatomy.

plural

myelencephalons, myelencephala

1. the posterior section of the hindbrain comprising the medulla oblongata.

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myelencephalon British  

/ ˌmaɪɪlɛnˈsɛfəˌlɒn, ˌmaɪɪlɛnsəˈfælɪk /

noun

1. Nontechnical name: afterbrain.  the part of the embryonic hindbrain that develops into the medulla oblongata

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Other Word Forms

• myelencephalic adjective

Etymology

Origin of myelencephalon

First recorded in 1835–45; myel- + encephalon

Example Sentences

The brain stem includes the midbrain, pons, and medulla, which correspond to the mesencephalon, metencephalon, and myelencephalon.

From Textbooks • Jun. 19, 2013

The rhombencephalon develops into the metencephalon and myelencephalon.

From Textbooks • Jun. 19, 2013

The mesencephalon, metencephalon, and myelencephalon become the brain stem.

From Textbooks • Jun. 19, 2013

The myelencephalon corresponds to the adult structure known as the medulla oblongata.

From Textbooks • Jun. 19, 2013

A constriction also occurs in the hind vesicle or rhombencephalon, dividing it into an anterior part, the metencephalon, from which the cerebellum is developed, and a posterior or myelencephalon, the primitive medulla oblongata.

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