Alveus
Alveus
Alveus (pronunciation: al-vee-us) is a term used in anatomy to describe a part of the brain's hippocampus. The term is derived from the Latin word 'alveus', which means 'hollow' or 'channel'.
Etymology
The term 'Alveus' is derived from Latin, where it is used to describe a hollow or channel. This is reflective of the structure of the Alveus in the brain, which is a thin, white layer on the floor of the hippocampus, resembling a hollow or channel.
Anatomy
The Alveus is the first part of the hippocampal formation and is primarily composed of myelinated fibers that originate from the pyramidal cells of the hippocampus. These fibers form the fimbria of the hippocampus, which continues as the fornix.
Function
The Alveus serves as a pathway for the fibers from the hippocampus to reach other parts of the brain. It plays a crucial role in the limbic system, which is involved in emotion, long-term memory, and behavior.
Related Terms
- Hippocampus: A part of the brain that plays important roles in the consolidation of information from short-term memory to long-term memory, and in spatial memory that enables navigation.
- Fimbria: A fringe of tissue near the ovary leading to the fallopian tube.
- Fornix: An arching, fibrous band connecting each hemisphere of the brain.
- Myelinated fibers: Nerve fibers covered in a protective sheath, myelin, which increases the speed at which impulses are conducted.
- Pyramidal cells: Neurons within the cerebral cortex, named for their triangular cell body shape.
External links
- Medical encyclopedia article on Alveus
- Wikipedia's article - Alveus
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