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Pons

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The pons is one of the major divisions of the brainstem. It contains a large number of tracts and nuclei. In this video, I highlight some of the more notable of these. TRANSCRIPT: Welcome to 2 minute neuroscience, where I explain neuroscience topics in 2 minutes or less. In this installment I will discuss the pons. The pons is a major division of the brainstem. It is found above the medulla and below the midbrain. Pons is Latin for bridge, and it was so named because the anterior part of the pons, which is known as the basal or basilar pons, causes the pons to look like a bridge that connects the two hemispheres of the cerebellum. The region behind the basal pons is called the pontine tegmentum or dorsal pons. The pons contains many tracts and nuclei. This video will highlight just some of the more notable of these. The basal pons doesn’t form a direct connection between the cerebellar hemispheres, but the pons is attached to the cerebellum by the middle cerebellar peduncles, a major pathway between the brainstem and cerebellum. The inferior cerebellar peduncles also travel through the pons to carry information to the cerebellum, and the superior cerebellar peduncles enter the brainstem at the level of the pons and carry information from the cerebellum to the brainstem. The pons forms most of the floor of the fourth ventricle, and is home to several cranial nerve nuclei, including the trigeminal nuclei, which are involved with sensory and motor functions of the head and face, the abducens nucleus, which controls lateral movements of the eye, the facial motor nucleus, which controls muscles of facial expression, and the vestibular nuclei, which process vestibular information. The pons also contains the locus coeruleus, the largest collection of norepinephrine-containing neurons in the brain, and some of the raphe nuclei, the major serotonin-producing neurons of the brain. The pons also serves as a conduit for many tracts passing up and down through the brainstem, like the corticospinal tract for voluntary movement, medial lemniscus for tactile and proprioceptive sensations, and spinothalamic tract for pain and temperature sensations. Reference: Vanderah TW, Gould DJ. Nolte's The Human Brain. 7th ed. Philadelphia, PA: Elsevier; 2016.
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автор  дата 22.06.2018
Lele Pons NEW Vines and Instagram Funny Videos Compilation of 2018 Please leave a like if you enjoyed and tell me what you think in the comments!
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автор  дата 05.06.2017
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автор  дата 17.02.2018
NEW Lele Pons Instagram Videos 2017 | Lele Pons Best Vines Compilation 2017 - Time to Lugh Hope that you enjoyed, please don't forget to like and ...
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автор  дата 14.07.2017
TRY NOT TO LAUGH Lele Pons NEW Instagram Videos 2017 | Best Lele Pons Vines Compilation Hope that you enjoyed, please leave a like and tell me what ...
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автор  дата 14.11.2018
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автор  дата 01.08.2017
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автор  дата 22.02.2018
This video is about Pons. Here I cover; Ventral external surface: - sulcus basilaris - pedunculus cerebellaris medius - 4 cranial nerves emerging from the anterior ...
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автор  дата 11.12.2016
Lele Pons Funny Vines Compilation 2016 | NEW Lele Pons Vines Watch, rate, share and Comment your favorite emojis Vine Please leave a like if you ...
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автор  дата 17.07.2018
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автор  дата 04.05.2018
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автор  дата 16.02.2018
THE VIDEO DEMONSTRATES THE EXTERNAL FEATURES OF PONS AND THE FLOOR OF THE FOURTH VENTRICLE. THE FLOOR OF FOURTH ...
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автор  дата 14.12.2017
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