Cerebellum Flashcards
Largest structure at the posterior fossa
Cerebellum
Roof of the 4th ventricle
Cerebellum
Forms anterior and posterior lobe
Deepest
Primary fissure
Most inferior portion of vermis
Nodulus
Tonsillar herniation-impinge the medulla
Medulla-bp,hr
Tonsils
Tree of life?
Leaves?
Arbor vitae
Folia
Cerebellar peduncle
Superior cerebellar peduncle -output (corticospinal tract)
Middle cerebellar peduncle -input
Inferior cerebellar peduncle -input
Walls of the 4th ventricle
Notes
Cerebellum-muscle tone
VERMIX-axial (eyes “gitna”) trunk,speech
Dysmetria
Nystagmus-vermix
Notes
Cerebellum-muscle tone
VERMIX-axial (eyes “gitna”) trunk,speech
Dysmetria
Nystagmus-vermix
.
All output from cerebellum
Deep cerebellar nuclei
Dentate
Active before movement
Emboliform
Active during movement
Globose
Active during movement
Fastigial
Fastigial
Central vertigo
PICA
Posterior inferior cerebellar artery
Right hemisphere lesion
Right limb ataxia
Cerebellar disease
Ipsilateral signs with lateralized lesions
Double decussation of efferent cerebellar pathways
Cerebellar dse
All deficits are MOTOR
-all
