Biology:Primary olfactory cortex

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Short description: Area of the brain involved in the sense of smell
Primary olfactory cortex
Details
SystemOlfactory system
LocationInferior temporal lobe
PartsAnterior olfactory nucleus, piriform cortex, olfactory tubercle, amygdala, entorhinal cortex, periamygdaloid cortex
FunctionSense of smell
Anatomical terms of neuroanatomy

The primary olfactory cortex (POC) is a portion of the cerebral cortex. It is found in the inferior part of the temporal lobe of the brain. It receives input from the olfactory tract. It is involved in the sense of smell (olfaction).

Structure

The primary olfactory cortex is in the inferior part of the temporal lobe of the brain.[1] It involves the anterior olfactory nucleus,[2] the piriform cortex,[2] the olfactory tubercle,[2] part of the amygdala,[2] part of the entorhinal cortex,[2][3] and the periamygdaloid cortex.[2][4] Some sources state that it also includes the prepyriform area.[3][4]

The primary olfactory cortex receives fibres from the olfactory tract.[5] It receives input from mitral cells and tufted cells.[5][6] These cells do not pass through the thalamus.[1] The primary olfactory cortex then sends fibres to the hippocampus, thalamus, and the hypothalamus.[2]

Function

The primary olfactory cortex is involved in the sense of smell (olfaction).[7][8]

References

  1. 1.0 1.1 Feher, Joseph (2012). "4.6 - The Chemical Senses" (in en). Quantitative Human Physiology. Academic Press. pp. 359–369. doi:10.1016/B978-0-12-382163-8.00039-6. ISBN 978-0-12-382163-8. https://www.sciencedirect.com/science/article/pii/B9780123821638000396. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Cersosimo, Maria Graciela; Benarroch, Eduardo E.; Raina, Gabriela B. (2021). "16 - Lewy bodies in the olfactory system and the hypothalamus" (in en). Handbook of Clinical Neurology. 182. Elsevier. pp. 235–244. doi:10.1016/B978-0-12-819973-2.00016-2. ISBN 978-0-12-819973-2. https://www.sciencedirect.com/science/article/pii/B9780128199732000162. 
  3. 3.0 3.1 "Anatomy of Olfactory System: eMedicine Clinical Procedures". http://emedicine.medscape.com/article/835585-overview. 
  4. 4.0 4.1 Fix, James D. (2002). Neuroanatomy. Hagerstwon, MD: Lippincott Williams & Wilkins. pp. 326. ISBN 0-7817-2829-0. https://archive.org/details/neuroanatomy0003fixj/page/326. 
  5. 5.0 5.1 Ennis, Matthew; Puche, Adam C.; Holy, Tim; Shipley, Michael T. (2015). "27 - The Olfactory System" (in en). The Rat Nervous System (4th ed.). Academic Press. pp. 761–803. doi:10.1016/B978-0-12-374245-2.00027-9. ISBN 978-0-12-374245-2. https://www.sciencedirect.com/science/article/pii/B9780123742452000279. 
  6. Doty, R. L. (2017). "Sense of Smell" (in en). Reference Module in Neuroscience and Biobehavioral Psychology. Elsevier. doi:10.1016/B978-0-12-809324-5.06559-7. ISBN 978-0-12-809324-5. https://www.sciencedirect.com/science/article/pii/B9780128093245065597. 
  7. "A specialized odor memory buffer in primary olfactory cortex". PLOS ONE 4 (3): e4965. 2009. doi:10.1371/journal.pone.0004965. PMID 19305509. Bibcode2009PLoSO...4.4965Z. 
  8. "New features of connectivity in piriform cortex visualized by intracellular injection of pyramidal cells suggest that "primary" olfactory cortex functions like "association" cortex in other sensory systems". J. Neurosci. 20 (18): 6974–82. September 2000. doi:10.1523/JNEUROSCI.20-18-06974.2000. PMID 10995842. 

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