myelencephalon

The posterior portion of the embryonic hindbrain, from which the medulla oblongata develops.

The medulla oblongata of the adult brain.

The cerebrospinal axis; the brain and spinal cord taken together and considered as a whole.

The hindmost segment of the encephalon; the afterbrain or metencephalon, more commonly called the medulla oblongata. See cuts under encephalon and brain. Huxley.

The brain and spinal cord; the cerebro-spinal axis. Sometimes abbreviated to myelencephal.

The metencephalon.

The portion of the brain composed of the medulla oblongata.

the posterior part of the hindbrain in developing vertebrates; forms the medulla oblongata in adults