Flashcards in Topography of the Brain Deck (43)
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1
What are the 3 parts of the brainstem?
Midbrain
Pons
Medulla
2
Where are tracts found?
White matter
3
What cranial nerves exit from the medulla?
All except 1 and 2
4
What are the functions of the brainstem?
Pathway for tracts
Innervation of head and neck
Autonomic control of vital centres (cardiorespiratory)
5
What ventricle is associated with the medulla?
4th ventricle
6
What does the medulla once it has passed through the foramen magnum?
Spinal cord
7
What connects the medulla to the cerebellum?
Inferior cerebellar peduncle
8
Where is the 4th ventricle in relation to the pons?
4th ventricle is posterior to the pons
9
What cranial nerves are associated with the medulla?
Cranial nerves 9, 10, 11 and 12
10
What surface features are found on the pons?
Middle cerebellar peduncle
Cranial nerves 5, 6, 7 and 8
11
What does the midbrain develop from?
Mesencephalon
12
What surface features are found on the midbrain?
Superior cerebellar peduncle
Cranial nerves 3 and 4
Superior and inferior colliculus
13
What central cavity is present in the midbrain?
Cerebral aqueduct
14
What does the cerebral aqueduct connect?
3rd and 4th ventricles
15
What are the hemispheres of the cerebellum separated by?
Vermis
16
What are the lobes of the cerebellar hemispheres?
Anterior
Posterior
Flocculonodular
17
What are the functions of the cerebellum?
Posture maintenance
Fine tuning motor activity
18
What does the diencephalon develop from?
Diencephalic vesicle
19
What are the paired structures of the diencephalon?
Thalamus
Hypothalamus (and pituitary)
Epithalamus (pineal gland)
20
Where are the paired structures of the diencephalon found?
Mainly grey matter
21
What side of the body does the cerebellum control?
Same side
22
What is the contents of the thalamus?
Groups of nuclei
23
What is the function of the thalamus?
Sensory relay station
24
Where is the hypothalamus located?
Below the thalamus
25
How is the hypothalamus separated from the thalamus?
Hypothalamic sulcus
26
What is the role of hypothalamus?
Autonomic control centre
Body temperature regulation
Food intake regulation
Water balance and thirst regulation
Sleep wake regulation
Control of endocrine system functioning
27
Where do the internal carotid arteries enter the skull?
Carotid canal (foramen lacerum)
28
Where do the vertebral arteries enter the skull?
Foramen magnum
29
What branches of the internal carotid arteries supply the brain?
Anterior cerebral artery
Middle cerebral artery
Posterior communicating artery
30
