Cerebellum Flashcards
what is the cerebellum called?
“little brain”
the cerebellum is connected to the ______ via ___ pairs of ___________
The pairs are and they connect to:
1. \_\_\_\_ pair = connects to \_\_\_\_\_ 2. \_\_\_\_\_ pair = connects to \_\_\_\_ 3. \_\_\_\_\_ pair = connects to \_\_\_\_\_\_ \_\_\_\_\_\_
Brainstem via 3 pairs of cerebral peduncles
The pairs are:
1. rostral pair = connects to midbrain 2. middle pair = connects to pons 3. caudal pair = connects to medulla oblongata
the cerebellum reveives info about _______________ via ____ from ______, _______ system, ______ centers of _________ and ___________ systems
Movement in progress
via info from muscles, vestibular system, motor centres of pyramidial and extrapyramidial systems
What are the functions of the cerebellum?
What the cerebellum CANNOT do?
- maintaining equilibrium (balance)
- maintain muscle tone
motor control - coordination of skeletal muscles and skilled movements
CANNOT initiate movement
Cerebellum has a _______structure
Globular
What forms the cortex cerebri?
Grey matter
What does the white matter form?
Corpus medullare
What does corpus medullare form?
Branches to form arbor vitae
What are the layers of the cortex?
- Molecular layer
- Purkinje cell layer
- Granule cell layer
Major fissures and lobes?
- divide corpus cerebelli into three lobes
A) Lobus flocculonodularis
B) Lobus rostralis
C) Lobus caudalis
Lobus flocculonodularis is located?
What does is regulate?
It is the ______ part of the cerebellum
- Caudoventrally
- Regulates balance and eye movements
- Oldest
What is the oldest part of the cerebellum?
Oldest part of the cerebellum
Lobus rostralis is related to ________
What does it regulate?
It is related to the spinal cord
Body and limb movement, and postural tone
Lobus caudalis is involved in?
Planning movement and evaluating sensory info
What can the lobus rostralis and lobus caudalis divided into?
Hemispherum cerebelli and centrally located narrow ridge, vermis
