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Myelencephalon

QuestionAnswer
where is the myelencephalon located in the brain? lowest division of the brain (connected to the spinal cord)
what structure does the myelencephalon develop into? the medulla oblongata (considered the oldest part of the brain)
what is the myelencephalon/medulla involved in controlling? breathing, heart rate, and blood pressure
solitary nucleus def known as the vomiting center (for taste). good way to remember: solitary --> salivary --> vomiting
cardiovascular center def keeps heart beating
respiratory center def keeps you breathing
dorsal column nuclei function and how is it carried? receives ALL information about touch. it's carried up to the cerebellum by the medial lemniscus
olivary nuclei (inferior olive) function receives input from dorsal column nuclei and sends climbing fibers that cross to the opposite side and enter the cerebellum
decussation meaning crossing over of nerve fibers from one side of the brain/spinal cord to the other
medial lemniscus tract ASCENDING touch fibers out of dorsal column nuclei. major crossing centers for touch
medullary pyramids (pyramidal tract) DESCENDING motor axons from primary motor cortex
Created by: madalynes
 

 



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