Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PHARM 204 > Lect 12 - CNS (Medulla Oblongata, Pons, Midbrain, Diencephalon, Cerebellum) > Flashcards

Lect 12 - CNS (Medulla Oblongata, Pons, Midbrain, Diencephalon, Cerebellum) Flashcards

1
Q

Medulla Oblongata Function

A

Communication between brain and spinal cord passes through Medulla Oblongata

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Nuclei in Medulla Oblongata are responsible for what

A
  • Act as relay stations for sensory/motor pathways
  • Associated with Cranial Nerves connected to Medulla Oblongata
  • Autonomic Control of Visceral Organs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Name the Nuclei in Medulla Oblongata

A

Gracile Nucleus
Solitary Nucleus
Olivary Nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cuneate Nucleus

A

Pass somatic sensory info to thalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Gracile Nucleus

A

Passes Somatic Sensory info to Thalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Solitary Nucleus

A

Receives visceral sensation from spinal/cranial nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Olivary Nucleus

A

Bulges of the Medulla Oblongata

Pass info from cerebrum, spinal cord, diencephalon, and brainstem to the cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Function of Nuclei in Cranial Nerves

A

Contains sensory and motor nuclei of cranial nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Autonomic Nuclei (In The Reticular Formation)

A

Contain major reflex centers

These centers receive inputs from cranial nerves, cerebral cortex, diencephalon, and brainstem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Reflex Centers in Autonomic Nuclei?

A

Cardiovascular Centers
Respiratory Rhythmicity Centres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How do drugs influence Autonomic Nuclei

A

Drugs can not interact directly with these centers, they are reflexes. Only signals can effect these centers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Cardiovascular Centres

A

Sets Heart Rate
Sets Contraction Strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Respiratory Rhythmicity Centres

A

Pace of Breathing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does the Pons consist of

A

Sensory and Motor Nuclei for Cranial Nerves

Involuntary Nuclei
Autonomic Control of Breathing

Relay Nuclei
Relays cerebellar commands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What do Autonomic Nuclei consist of

A

Apneustic Center and Pneumotaxic Center
Respiratory Centers: Controls breathing depth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the Reticular Formation? Relation with Respiratory Center

A

Autonomic processing of incoming sensations and outgoing motor commands

Very close and communicates with Respiratory Center

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What do Relay Nuclei consist of

A

Cerebellar Peduncles, which are connected to each other with transverse fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

White Matter vs Grey Matter (Tracts vs Nuclei Centers)

A

Tracts are White Matter

Nuclei Centers are Grey Matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What Nuclei does the Mesencephalon contain

A

4 Total Nuclei (2 pairs of nuclei)
Collectively called Corpora Quadrigemina

20
Q

What is the surface of the Mesencephalon called? What is it responsible for?

A

Tectum
Responsible for Visual and Auditory stimuli

21
Q

Auditory Processing Occurs in

A

2 Pairs of Inferior Colliculi

22
Q

Visual Processing Occurs in

A

2 Pairs of Superior Colliculi

23
Q

Mesencephalon wall and floors contain what kind of nuclei

A

Contain nuclei of the reticular formation
Red Nucleus
Substantia Nigra
Maintain alertness and Muscle Position

24
Q

The ventrolateral surface of the Mesencephalon contain

A

Cerebral Peduncles

25
Q

Relationship between substantia nigra size and dopamine

A

Low Dopamine = Less Black Part = Less Substantia Nigra

Black Part protects against Parkinson

26
Q

What does the Diencephalon contain

A

Epithalamus
Thalamus
Hypothalamus

27
Q

What does the Epithalamus contain

A

Pineal Gland
Produces Melatonin

28
Q

What connects the left and right Thalamus

A

Connected medially by interthalamic adhesion

29
Q

The thalamus forms the wall for what?

A

The Third Ventricle

30
Q

Thalamus Nuclei (Anterior Nuclei)

A

Limbic System (Emotion/Memory)

31
Q

Thalamus Nuclei (Medial Nuclei)

A

Relays info to Frontal Lobe

32
Q

Thalamus Nuclei (Ventral Nuclei)

A

Relays info to Parietal Lobe

33
Q

Thalamus Nuclei (Posterior Nuclei)

A

Relays info to occipital lobe

34
Q

Thalamus Nuclei (Lateral Nuclei)

A

Adjust activity in cingulate gyrus

35
Q

Cingulate Gyrus

A

Part of limbic system that processes emotions/behaviour in parietal lobe

36
Q

Anterior Lobe of Pituitary Gland Effects

A

Capillary Beds for Endocrine Effects

37
Q

Posterior Lobe of Pituitary Gland Effects

A

Neuron System Effects

38
Q

Cerebellum (How many hemispheres?)

A

Two Hemispheres

39
Q

Cerebellum (Folia Cerebelli)

A

Folds in the cerebellum
(Like gyri in cerebrum)

40
Q

Cerebellum (What separates anterior and posterior lobes)

A

Primary Fissure

41
Q

Cerebellum (What separates the hemispheres)

A

Vermis

42
Q

Cerebellum (Cerebellar Cortex)

A

Subconscious coordination of movement

43
Q

Cerebellum (Arbor Vitae)

A

Connects cerebellar cortex with cerebellar peduncles

44
Q

Cerebellum (Superior Cerebellar Peduncles)

A

Connects cerebrum with mesencephalon, diencephalon, and cerebrum

45
Q

Cerebellum (Middle Cerebellar Peduncles)

A

Communicates between cerebellum and pons

46
Q

Cerebellum (Inferior Cerebellar Peduncles)

A

Connects Cerebellum with the Medulla Oblongata

PHARM 204 (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions