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Tracts and nuclei of the brainstem : the medulla oblongata ( Microscopy )

Delve into the intricate structures of the brainstem's medulla oblongata, uncovering its closed and open parts, real cranial nerve nuclei, and the essential functions it serves, from motor control to cardiovascular regulation and pain modulation. Explore the reticular formation and the role of the ascending activating reticular system in consciousness and arousal. Discover the nuances of inspiration and expiration, and the cardiovascular centers. Featuring images by Dr. Fehér and Dr. Kozsurek.

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Tracts and nuclei of the brainstem : the medulla oblongata ( Microscopy )

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  1. Tracts and nuclei of thebrainstem: themedullaoblongata(Microscopy) Dr. Altdorfer Károly

  2. HuMo webatlas:http://anatomia.sote.hu/atlasz_belepo.php?0_huPw: stapes

  3. Medullaoblongatacaudal („closed”) part

  4. Medullaoblongatarostral („open”) part

  5. Real cranial nerve nuclei (CN III-XII.): in the brainstem! III-IV (- V). V-VI-VII (VIII). (VIII-) IX-X-XI-XII.

  6. CNS (Nuclei) PNS Target SM, BM GVM SS, VS Target Receptor

  7. 2 sensory and 2 motor cranial nerve nuclei Medullaoblongatacaudal („closed”) part

  8. Medullaoblongatarostral („open”) part

  9. Reticularformation Diffusenetwork of neuronsthatoccupiesthewholebrainstemaroundthe major descending and ascendingpathwaysandcranialnervenuclei. • Motor functions(muscletone, posture, gaze, swallowing, breathing, vomiting, coughing, sneezing) • Cardiovascularregulation • Painmodulation • ARAS: ascendingactivatingreticularsystem – consciousness, sleeping, arousal Inspiration/exspiration Cardiovascular centres

  10. Images from: Dr. Fehér Dr. Kozsurek

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