3. Parts of the Brain: Cerebellum & Brain Stem

What is the largest part of the brain?

1. Cerebrum

2. Cerebellum

3. Brain Stem

1. Cerebrum

What is the 2nd largest part of the brain?

1. Cerebrum

2. Cerebellum

3. Brain Stem

2. Cerebellum

Cerebellum aka

Posterior Fossa

Where is the cerebellum located?

Posterior cranium,

underneath the cerebral hemispheres

The cerebellum is essential to___

the control of voluntary muscular movement 

What is the function of the cerebellum?

It acts as a center for coordination & equilibrium

Where do most childhood tumors occur?

1. cerebrum 

2. cerebellum 

3. brain stem

cerebellum 

How is the cerebellum treated (patient position & field arrangement)

Prone w 2 lats

The brain stem is divided into 5 components. Name them.

1. Thalamus

2. Hypothalamus

3. Midbrain

4. Pons

5. Medulla Oblongata

What is the function of the:

Thalamus

What part of the brain stem is this?

Relay station for incoming sensory & outgoing motor signals 

All sensory input connects to this structure, except smell

Relation of the hypothalamus in relation to the thalamus

Hypothalamus lies just below the thalamus

What is the function of the:

Hypothalamus

What part of the brain stem is this?

Regulates/ directly involved in the control of many of the body’s vital functions:

1. Eating

2. Drinking

3. Sleeping

4. Emotional Behavior

5. Temperature Regulation

Where is the midbrain located?

Superior to the pons &

Inferior to the cerebrum 

What structure is located in the midbrain?

The Aqueduct of Sylvius/ Cerebral Aqueduct  is located in what brain structure? 

What is the function of the:

Midbrain

What part of the brain stem is this?

Responsible for Sensations & Movement

How many cranial nerves are there?

12

In what brain structures are each of the cranial nerves located?

1-2 idk

3-4 Midbrain

5-8 Pons

9-12 Medulla Oblongata

What brain stem structure is this:

A pyramid shaped enlargement of the spinal cord

Medulla Oblongata

What is the function of the:

Medulla Oblongata

What part of the brain stem is this?

Controls:

1. Heart beat

2. Blood pressure

3. Respiration

Mediates Reflexes of:

1. vomiting

2. coughing

Conducts impulses between the cord & the brain

Damage to the following brain stem structure results in immediate death?

What happens if the Medulla Oblongata is damaged?