metencephalon

The hindbrain or metencephalon is particularly involved in swimming and balance.

The metencephalon will become the cerebellum and the pons.

The tectum is the dorsal part of the metencephalon.

This flexure marks the junction between the metencephalon and the myelencephalon.

The metencephalon is a developmental categorization of portions of the central nervous system.

By the third month, the metencephalon differentiates into its two main structures, the pons and the cerebellum.

The metencephalon is composed of the pons and the cerebellum; it contains:

Two of the major genes that affect the metencephalon are Fgf8 and Wnt1, which are both expressed around the isthmus.

Rhombomeres Rh3-Rh1 form the metencephalon.

The division of the rhombencephalon (the early hindbrain) into the metencephalon and the myelencephalon occurs at the 7th week of development.

The rhombic lip is a posterior section of the developing metencephalon which can be recognized transiently within the vertebrate embryo.

The third primary vesicle, the rhombencephalon, will further differentiate into two secondary vesicles, the metencephalon and the myelencephalon.

The rhombencephalon develops into the metencephalon (the pons and cerebellum) and the myelencephalon (the medulla oblongata).

During embryonic development, the embryonic metencephalon develops from the rhombencephalon and gives rise to two structures: the pons and the cerebellum.

Its main function is to set up and maintain the barrier between the midbrain and hindbrain, specifically between the mesencephalon and metencephalon.

The metencephalon becomes, among other things, the pons and the cerebellum, the myelencephalon forms the medulla oblongata, and their cavities develop into the fourth ventricle.

Lesions of the Ascending Reticular Activation System on height of the pons and metencephalon have been shown to cause stupor.

The metencephalon develops from the higher/rostral half of the embryonic rhombencephalon, and is differentiated from the myelencephalon in the embryo by approximately 5 weeks of age.

In 1859, while still a student, Mauthner described a fibrous structure in the spinal cord of fishes that contained two large cell bodies in the animals' metencephalon.

Caudally the mesencephalon adjoins the pons (metencephalon) and rostrally it adjoins the diencephalon (Thalamus, hypothalamus, et al).

(By six weeks in the human embryo) the prosencephalon then divides further into the telencephalon and diencephalon; and the rhombencephalon divides into the metencephalon and myelencephalon.

Anatomists classify the cerebellum as part of the metencephalon, which also includes the pons; the metencephalon is the upper part of the rhombencephalon or "hindbrain".

At about the same time, the hindbrain splits into the metencephalon (which will contain the cerebellum and pons) and the myelencephalon (which will contain the medulla oblongata).

During fetal development, divisions that give rise to the hindbrain occur at just 28 days post conception with more specific subdivisions (metencephalon, myelencephalon) taking shape at 7 weeks post conception.

These are the telencephalon, diencephalon, mesencephalon, metencephalon, and myelencephalon which later become the lateral ventricles, third ventricles, aqueduct, and upper and lower parts of the fourth ventricle from the telencephalon to the myelencephalon, during adulthood.