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Published on 04 Nov 2013 | over 3 years ago

This video is part of a playlist of videos on the internal structure of the brain stem. The playlist uses simplified sketches that are gradually drawn for the purpose of description.

Internal structure at the following section levels is described:
Level of inferior olivary nucleus (open medulla)
Level of medial lemniscal decussation (closed medulla)
Level of the decussation of pyramids (closed medulla)
Spinal cord

For each fiber tract the location, function, origin and destination are summarized. Each nucleus is identified in terms of location, function and connections. Thus the session correlates anatomical structures seen in the medulla with those of the pons, midbrain and spinal cord. For this purpose a section of the spinal cord has also been added.

After completion of this video session, it is expected that you will be able to
Develop a three dimensional picture of the gross anatomy of the medulla oblongata and its internal structure.
Locate the positions of cranial nerve nuclei and the paths taken by the major ascending and descending nerve tracts
Assess the signs and symptoms presented by the patient and identify the exact location of a lesion affecting the brain stem.
Correlate the signs and symptoms of medial and lateral medullary (Wallenberg) syndromes with the nuclei and nerve tracts involved by the vascular lesions.

Presented and edited by Dr. Akram Jaffar, Ph.D.

Related videos:
Pons, simplified sections of internal structure youtu.be/vi8OKSb0XTM
Midbrain, simplified sections of internal structure youtu.be/1gQuznVG1F8

This video and its channel are supported by "Human Anatomy Education" Page on Facebook www.facebook.com/AnatomyEducation
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