Anatomical look at the olfactory tract and its relation with the thalamus

The olfactory system is the one in charge of receiving sensory stimuli linked to the smell of substances. Its pathway begins in the bipolar Schultze cells in the olfactory mucosa and ends in the primary olfactory cortex, which includes the piriformis, amygdala, and peritonsillar cortex, and the othe...

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Autores principales: González Abad, Melisa S., Costa, Juan A., Perea, Matías A., Tarantino, Gaston
Formato: Artículo revista
Lenguaje:Español
Publicado: Asociación Argentina de Anatomía Clínica (Argentine Association of Clinical Anatomy) 2021
Materias:
Medialdorsal nucleus; Entorhinal cortex; olfaction.
Núcleo mediodorsal; corteza entorrinal; olfato.
Acceso en línea:https://revistas.unc.edu.ar/index.php/anatclinar/article/view/34736
Aporte de:
Revista Argentina de Anatomía Clínica de Universidad Nacional de Córdoba
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language Español
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topic Medialdorsal nucleus; Entorhinal cortex; olfaction.
Núcleo mediodorsal; corteza entorrinal; olfato.
spellingShingle Medialdorsal nucleus; Entorhinal cortex; olfaction.
Núcleo mediodorsal; corteza entorrinal; olfato.
González Abad, Melisa S.
Costa, Juan A.
Perea, Matías A.
Tarantino, Gaston
Anatomical look at the olfactory tract and its relation with the thalamus
topic_facet Medialdorsal nucleus; Entorhinal cortex; olfaction.
Núcleo mediodorsal; corteza entorrinal; olfato.
author González Abad, Melisa S.
Costa, Juan A.
Perea, Matías A.
Tarantino, Gaston
author_facet González Abad, Melisa S.
Costa, Juan A.
Perea, Matías A.
Tarantino, Gaston
author_sort González Abad, Melisa S.
title Anatomical look at the olfactory tract and its relation with the thalamus
title_short Anatomical look at the olfactory tract and its relation with the thalamus
title_full Anatomical look at the olfactory tract and its relation with the thalamus
title_fullStr Anatomical look at the olfactory tract and its relation with the thalamus
title_full_unstemmed Anatomical look at the olfactory tract and its relation with the thalamus
title_sort anatomical look at the olfactory tract and its relation with the thalamus
description The olfactory system is the one in charge of receiving sensory stimuli linked to the smell of substances. Its pathway begins in the bipolar Schultze cells in the olfactory mucosa and ends in the primary olfactory cortex, which includes the piriformis, amygdala, and peritonsillar cortex, and the other olfactory brain structures, including the entorhinal cortex, hippocampus, cortex. parahippocampal, thalamus, hypothalamus, orbitofrontal cortex, and insular cortex and their extension to the inferior lateral frontal region. The thalamus is a brain nucleus that fulfills a vital function of sensory regulation of the organism, intervening in a large number of mental processes that shape the way of perceiving and acting on the environment. The olfactory tract was long thought to be unrelated to the thalamus. Part of this thought came from the fact that the olfactory bulb presents its own thalamic equivalent of the same embryological derivation as this encephalic nucleus. However, the most current assertions show that the mediodorsal nucleus of the thalamus has numerous connections with the different olfactory structures that participate in the discrimination and learning of smell. Although these interactions imply a clear function of the thalamus, it is not an essential projection for this pathway. The thalamic equivalent, the interconnections of the granular and periglomerular interneurons of the olfactory bulb, accompanied by their cortical connection, are more than sufficient for the correct functioning of the olfactory pathway.
publisher Asociación Argentina de Anatomía Clínica (Argentine Association of Clinical Anatomy)
publishDate 2021
url https://revistas.unc.edu.ar/index.php/anatclinar/article/view/34736
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spelling I10-R321-article-347362021-11-26T23:21:14Z Anatomical look at the olfactory tract and its relation with the thalamus MIRADA ANATÓMICA DE LA VÍA OLFATORIA Y SU RELACIÓN CON EL TÁLAMO González Abad, Melisa S. Costa, Juan A. Perea, Matías A. Tarantino, Gaston Medialdorsal nucleus; Entorhinal cortex; olfaction. Núcleo mediodorsal; corteza entorrinal; olfato. The olfactory system is the one in charge of receiving sensory stimuli linked to the smell of substances. Its pathway begins in the bipolar Schultze cells in the olfactory mucosa and ends in the primary olfactory cortex, which includes the piriformis, amygdala, and peritonsillar cortex, and the other olfactory brain structures, including the entorhinal cortex, hippocampus, cortex. parahippocampal, thalamus, hypothalamus, orbitofrontal cortex, and insular cortex and their extension to the inferior lateral frontal region. The thalamus is a brain nucleus that fulfills a vital function of sensory regulation of the organism, intervening in a large number of mental processes that shape the way of perceiving and acting on the environment. The olfactory tract was long thought to be unrelated to the thalamus. Part of this thought came from the fact that the olfactory bulb presents its own thalamic equivalent of the same embryological derivation as this encephalic nucleus. However, the most current assertions show that the mediodorsal nucleus of the thalamus has numerous connections with the different olfactory structures that participate in the discrimination and learning of smell. Although these interactions imply a clear function of the thalamus, it is not an essential projection for this pathway. The thalamic equivalent, the interconnections of the granular and periglomerular interneurons of the olfactory bulb, accompanied by their cortical connection, are more than sufficient for the correct functioning of the olfactory pathway. El sistema olfatorio es aquel encargado de la recepción de estímulos sensitivos vinculados al olor de las sustancias. Su vía comienza en las células bipolares de “Schultze” en la mucosa olfatoria y finaliza en la corteza olfativa primaria, que abarca corteza piriforme, y a la corteza orbitofrontal. Las demás estructuras cerebrales olfativas incluyen la corteza entorrinal, el hipocampo, corteza parahipocampal, el tálamo, el hipotálamo, la corteza orbitofrontal, la corteza insular y su extensión hacia la región frontal lateral inferior. El tálamo es un núcleo encefálico que cumple una vital función de regulación sensitiva del organismo interviniendo en una gran cantidad de procesos mentales que dan forma a la manera de percibir y actuar en el entorno. Durante mucho tiempo se pensaba que el tracto olfatorio no guardaba relación con el tálamo, esto se debió al concepto del bulbo olfatorio como su propio equivalente talámico. Sin embargo, las aseveraciones más vigentes demuestran que el núcleo mediodorsal del tálamo presenta numerosas conexiones con las diferentes estructuras olfatorias que participan en la discriminacion y aprendizaje del olfato. Si bien estas interacciones implican una función clara del tálamo, no se trata de una proyección esencial para esta vía. El equivalente talámico, las interconexiones de las interneuronas granulares y periglomerulares del bulbo olfatorio acompañada de su conexión cortical son más que suficientes para el correcto funcionamiento de la vía olfatoria. Asociación Argentina de Anatomía Clínica (Argentine Association of Clinical Anatomy) 2021-11-26 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unc.edu.ar/index.php/anatclinar/article/view/34736 10.31051/1852.8023.v13.n3.34736 Revista Argentina de Anatomía Clínica (Argentine Journal of Clinical Anatomy); Vol. 13 No. 3 (2021): Nov 2021; 131-134 Revista Argentina de Anatomía Clínica; Vol. 13 Núm. 3 (2021): Nov 2021; 131-134 1852-8023 10.31051/1852.8023.v13.n3 spa https://revistas.unc.edu.ar/index.php/anatclinar/article/view/34736/35811 Derechos de autor 2021 Melisa S. Gonzalez Abad, Juan A. Costa, Matias A. Perea, Gaston Tarantino http://creativecommons.org/licenses/by-nc/4.0

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