Anterior olfactory nucleus

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Anterior Olfactory Nucleus

The Anterior Olfactory Nucleus (AON) (pronunciation: an-TEER-ee-or ol-FAK-tuh-ree NOO-klee-us) is a significant part of the olfactory system in the brain that plays a crucial role in the processing of olfactory information.

Etymology

The term "Anterior Olfactory Nucleus" is derived from Latin and Greek roots. "Anterior" comes from the Latin word 'anterior' meaning 'before' or 'in front of'. "Olfactory" is derived from the Latin 'olfactus', past participle of 'olfacere' meaning 'to smell'. "Nucleus" is from the Latin 'nucleus' meaning 'kernel' or 'core'.

Function

The Anterior Olfactory Nucleus is involved in the initial processing of olfactory information received from the olfactory bulb. It is responsible for the perception of odors and plays a significant role in olfactory memory and olfactory-guided behavior.

Anatomy

The Anterior Olfactory Nucleus is located in the cerebral cortex, specifically in the olfactory cortex. It is composed of two main parts: the pars externa and the pars compacta. The pars externa is located in the olfactory bulb, while the pars compacta is located in the olfactory peduncle.

Related Terms

  • Olfactory System: The sensory system used for smelling.
  • Olfactory Bulb: The neural structure of the vertebrate forebrain involved in olfaction.
  • Cerebral Cortex: The outer layer of the cerebrum, composed of folded grey matter, playing an important role in consciousness.
  • Olfactory Cortex: The region of the cerebral cortex involved in receiving and interpreting olfactory information.

External links

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