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truncus encephali
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187
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Superficial dissection of Brain-stem Lateral view
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ancil
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Brain+Stem
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A08186211132
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The lower part of the is the
Medulla Oblongata , grossly comprising the ''medullary pyramids'' and the
Olivary Bodies or ''olives''. The
Pons is a structure above the medulla. The
Reticular Activating System is situated in between the medulla and metencephalon, and is considered to be at the "core."
Differentiation of the brain stem from the
Cerebrum is complex, both anatomically and taxonomically. Some taxonomies describe the brain stem as the medulla and mesencephalon while others include diencephalic regions.
The adult human brainstem emerges from parts of all three
Vesicle s in the
Neural Tube .
The is the stalk of the
Brain below the
Cerebral Hemisphere s. It is the major route for communication between the
Forebrain , the
Spinal Cord , and
Peripheral Nerves . It controls various
Autonomic functions such as
Respiration and the regulation of
Heart rhythms as well as
Perceptual functions such as the primary aspects of
Sound Localization .
- Anthoney, Terence (1994). Neuroanatomy and the Neurologic Exam: A Thesaurus of Synonyms, Similar-Sounding Non-Synonyms, and Terms of Variable Meaning, Boca Raton, Florida: CRC-Press. ISBN 0849386314.
