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Arcuate nucleus (medulla)

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Title: Arcuate nucleus (medulla)  
Author: World Heritage Encyclopedia
Language: English
Subject: Medulla oblongata, Neurons, Arcuate, Nucleus prepositus hypoglossi, Gustatory nucleus
Collection: Neurons
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Arcuate nucleus (medulla)

Arcuate nucleus (medulla)
Transverse section of medulla oblongata below the middle of the olive. ("Nucleus arcuatus" visible near bottom right.)
Dissection of brain-stem. Lateral view. (Labels for "External arcuate fibers" and "Dorsal external arcuate fibers" visible at lower right.)
Details
Latin nucleus arcuatus medullae oblongatae
Identifiers
NeuroNames hier-772
NeuroLex ID Arcuate nucleus of medulla
Dorlands
/Elsevier
n_11/12580396
Anatomical terms of neuroanatomy

In the medulla oblongata, the arcuate nucleus is a group of neurons located on the anterior surface of the medullary pyramids. These nuclei are the extension of the pontine nuclei. They receive fibers from the corticospinal tract and send their axons through the anterior external arcuate fibers and striae medullares to the cerebellum via the inferior cerebellar peduncle.

Arcuate nuclei are capable of chemosensitivity and have a proven role in controlling respiratory frequency.

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