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Brain
Anatomy
Infratentorial Brain
Brainstem and Cerebellum Overview
Brainstem and Cerebellum Overview
Giuseppe Barisano, MD
;
Karen L. Salzman, MD
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TERMINOLOGY
Abbreviations
Cerebrospinal fluid (CSF)
Cranial nerves (CN): Oculomotor nerve (CNIII), trochlear nerve (CNIV), trigeminal nerve (CNV), abducens nerve (CNVI), facial nerve (CNVII), vestibulocochlear nerve (CNVIII), glossopharyngeal nerve (CNIX), vagus nerve (CNX), accessory nerve (CNXI), hypoglossal nerve (CNXII)
Synonyms
Classical nomenclature (simplified nomenclature)
Superior (tentorial), inferior (suboccipital), anterior (petrosal) cerebellar surfaces
Primary (tentorial), horizontal (petrosal), prebiventral/prepyramidal (suboccipital) cerebellar fissures
Definitions
Posterior fossa: Houses brainstem & cerebellum, below tentorium cerebelli (infratentorial)
Brainstem: Composed of midbrain (mesencephalon), pons, & medulla oblongata
Cerebellum: Largest part of hindbrain, integrates coordinations & fine-tuning of movement & regulation of muscle tone
GROSS ANATOMY
Overview
Anatomy Relationships
Related Anatomy
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References
Tables
Tables
TERMINOLOGY
Abbreviations
Cerebrospinal fluid (CSF)
Cranial nerves (CN): Oculomotor nerve (CNIII), trochlear nerve (CNIV), trigeminal nerve (CNV), abducens nerve (CNVI), facial nerve (CNVII), vestibulocochlear nerve (CNVIII), glossopharyngeal nerve (CNIX), vagus nerve (CNX), accessory nerve (CNXI), hypoglossal nerve (CNXII)
Synonyms
Classical nomenclature (simplified nomenclature)
Superior (tentorial), inferior (suboccipital), anterior (petrosal) cerebellar surfaces
Primary (tentorial), horizontal (petrosal), prebiventral/prepyramidal (suboccipital) cerebellar fissures
Definitions
Posterior fossa: Houses brainstem & cerebellum, below tentorium cerebelli (infratentorial)
Brainstem: Composed of midbrain (mesencephalon), pons, & medulla oblongata
Cerebellum: Largest part of hindbrain, integrates coordinations & fine-tuning of movement & regulation of muscle tone
GROSS ANATOMY
Overview
Anatomy Relationships
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