Olfactory bulb
Neural structure / From Wikipedia, the free encyclopedia
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The olfactory bulb (Latin: bulbus olfactorius) is a neural structure of the vertebrate forebrain involved in olfaction, the sense of smell. It sends olfactory information to be further processed in the amygdala, the orbitofrontal cortex (OFC) and the hippocampus where it plays a role in emotion, memory and learning. The bulb is divided into two distinct structures: the main olfactory bulb and the accessory olfactory bulb. The main olfactory bulb connects to the amygdala via the piriform cortex of the primary olfactory cortex and directly projects from the main olfactory bulb to specific amygdala areas. The accessory olfactory bulb resides on the dorsal-posterior region of the main olfactory bulb and forms a parallel pathway. Destruction of the olfactory bulb results in ipsilateral anosmia, while irritative lesions of the uncus can result in olfactory and gustatory hallucinations.
Olfactory bulb | |
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Details | |
System | Olfactory |
Identifiers | |
Latin | bulbus olfactorius |
MeSH | D009830 |
NeuroNames | 279 |
NeuroLex ID | birnlex_1137 |
TA98 | A14.1.09.429 |
TA2 | 5538 |
FMA | 77624 |
Anatomical terms of neuroanatomy |