2nd semester: Cerebellum Flashcards
Regarding the cranial fossa, where does the cerebellum lie?
posterior cranial fossa
Major functions of the cerebellum is
needed for sequential movements like eating, dressing and writing
what joins the 2 cerebellar hemispheres of cerebellum?
vermis [middle constricted portion]
cortex of cerebellum is highly convoluted and folded forming
FOLIA [leaves]
remember! inside-outside: white-grey
The most medial part of the internal structure of cerebellum?
Fastigial nucleus
What lies medial to the emboliform nucleus?
Globose nucleus
The _____ lies lateral to the Fastigial nucleus
Globose nucleus
It is a wedge-shaped mass situated close to the hilus of dentate nucleus
Emboliform n.
What composes the interposed nuclei?
globose n.
emboliform n.
______ is the largest and most lateral nucleus with a crumpled-bag appearance
Dentate n.
Regarding the cerebellar peduncles, it connects the
Cerebellum to the brainstem mnemonic: M(alam)B(ing) - Midbrain P(ala) - Pons M(ama) ni O - Medulla Oblongata
The _____ cerebellar peduncle forms the largest efferent bundle which arises from the:
dentate n. & interposed n.
[emboliform n., globose n.]
Superior CP [brachium conjunctivum]
The ______ contains mainly the afferent fibers but has one efferent pathway
Inferior CP [brachium restiform]
What cerebellar peduncle connects the cerebellum and pons?
Miaddle CP [clue: brachium pontis]
The only part of the vermis without corresponding part in the cerebellar hemisphere is ______
LINGULA [no lateral projection]
Regarding the cerebellar lobes, the _____ is composed of the lingula and culmen
Anterior lobe/anterior quadrangular lobule
[mnemonic: lengua ni carmen]
Regarding the posterior lobe, what is at the horizontal fissure?
Tuber [biventral lobule]
Most inferior part of the posterior lobe?
Uvula [tonsil of cerebellar hemisphere]
Regarding the flocculonodular lobe, what lies at postero-lateral fissure?
Nodolus [floccuNODULar = NODOLus]
In the functional divisions of the cerebellum, what contributes to reflex of eye movement?
Archicerebellum/vestibulocerebellum
[Archi(E) IS THE Vest]
The __________ is for proprioceptive and exteroceptive inputs from head and body
Paleocerebellum/Spinocerebellum
[inputs from spinal cord ha]
The ____ layer of the cerebellar cortex contains dendritic arborization of purkinje cells
Molecular layer
What cells does the stellate cells inhibit?
nearby purkinje cells
The granule cells are stimulated by
mossy fibers
_____ are inhibitory to efferent cells
purkinje cells
