Diencephalon
| Diencephalon | |
|---|---|
Prosencephalon, derived from the neural tube | |
| Part of | Human brain |
| Parts | Thalamus, the hypothalamus, the epithalamus and the subthalamus |
| Identifiers | |
| Latin | diencephalon |
| MeSH | D004027 |
| NeuroLex ID | birnlex_1503 |
| TA98 | A14.1.03.007 A14.1.08.001 |
| TA2 | 5661 |
| TH | H3.11.03.5.00001 |
| FMA | 62001 |
| Anatomical terms of neuroanatomy] | |
In the
telencephalon and the midbrain (embryonic mesencephalon). The diencephalon has also been known as the tweenbrain in older literature.[2] It consists of structures that are on either side of the third ventricle, including the thalamus, the hypothalamus, the epithalamus and the subthalamus
.
The diencephalon is one of the main
prosencephalon, the mesencephalon and the rhombencephalon. The prosencephalon gradually divides into the telencephalon (the cerebrum
) and the diencephalon.
Structure
The diencephalon consists of the following structures:
- Thalamus
- Hypothalamus including the posterior pituitary
- Epithalamus which consists of:
- Anterior and Posterior Paraventricular nuclei
- Medial and lateral habenular nuclei
- Stria medullaris thalami
- Posterior commissure
- Pineal body
- Subthalamus
Attachments
The
, a part of the embryonic diencephalon.Function
 | This section may need to be rewritten to comply with Wikipedia's quality standards, as it uses non-scientific language and lacks citations. (November 2023) |
The diencephalon is the region of the embryonic vertebrate
posterior portion of the pituitary gland, and the pineal gland
. The diencephalon encloses a cavity called the third ventricle. The thalamus serves as a relay centre for sensory and motor impulses between the spinal cord and medulla oblongata, and the cerebrum. It recognizes sensory impulses of heat, cold, pain, pressure etc. The floor of the third ventricle is called the hypothalamus. It has control centres for control of eye movement and hearing responses.
Additional images
-
Diagram depicting the main subdivisions of the embryonic vertebrate brain. These regions will later differentiate into forebrain, midbrain and hindbrain structures. -
Reconstruction of peripheral nerves of a human embryo of 10.2 mm. (Label for Diencephalon is at left.)
See also
References
This article incorporates text in the public domain from page 807 of the 20th edition of Gray's Anatomy (1918)
- ^ "Interbrain | anatomy". Encyclopedia Britannica. Retrieved 2021-05-07.
- PMID 19986038.
