Olfactory trigone
Olfactory Trigone
The Olfactory Trigone (pronunciation: ol-FAK-tuh-ree TRY-gohn) is a small triangular area in the anterior part of the rhinencephalon that serves as a hub for olfactory nerves.
Etymology
The term "Olfactory Trigone" is derived from the Latin words "olfactus" meaning "smelled" and "trigonum" meaning "triangle". This term accurately describes the triangular shape of this area and its role in the sense of smell.
Anatomy
The Olfactory Trigone is located in the anterior part of the rhinencephalon, also known as the smell brain. It is bordered by the anterior perforated substance anteriorly, the olfactory tract posteriorly, and the medial olfactory stria and lateral olfactory stria on either side.
Function
The primary function of the Olfactory Trigone is to serve as a hub for olfactory nerves. These nerves carry information about smell from the nose to the brain. The Olfactory Trigone is crucial for the sense of smell, and damage to this area can result in anosmia, or loss of smell.
Related Terms
- Anosmia: The loss of the sense of smell, either total or partial. It may be caused by head injury, infection, or blockage of the nose.
- Rhinencephalon: The part of the brain that is primarily responsible for processing the sense of smell.
- Olfactory tract: A bundle of nerve fibers that transmits information about smell from the nose to the brain.
- Anterior perforated substance: An area of the brain filled with numerous small holes, through which blood vessels pass.
- Medial olfactory stria: A bundle of nerve fibers that carries information about smell from the olfactory bulb to the brain.
- Lateral olfactory stria: Another bundle of nerve fibers that carries information about smell from the olfactory bulb to the brain.
External links
- Medical encyclopedia article on Olfactory trigone
- Wikipedia's article - Olfactory trigone
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