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Anatomy of Dentistry Semester 2 > Removal of the Brain > Flashcards

Removal of the Brain Flashcards

1
Q

What are the 2 anatomical divisions of the brain?

A

CNS & PNS

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2
Q

What are the 2 functional divisions of the brain?

A

Somatic & Autonomic

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3
Q

What is the CNS made up of?

A

Brain & Spinal cord

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4
Q

What is the PNS made up of?

A

12 pairs of Cranial Nerves, 31 pairs of spinal nerves & 2 Sympathetic trunks

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5
Q

What is the role of the Somatic Nervous System?

A

Control voluntary activities

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6
Q

What is the role of the autonomic nervous system?

A

Control involuntary activities

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7
Q

Name the 12 cranial nerves in order

A 
Olfactory nerve
Optic nerve
Oculomotor nerve
Trochlear nerve
Trigeminal nerve
Abducens nerve
Facial nerve
Vestibulocochlear nerve
Glossopharyngeal nerve
Vagus nerve
Accessory nerve
Hypoglossal nerve
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8
Q

What is the brain stem made up of?

A

Mid-Brain, Pons & Medulla Oblongata

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9
Q

Why is the accessory nerve different to every other cranial nerve?

A

Accessory nerve has 2 parts, every other cranial nerve has 1 part. Accessory has cranial part which arises from brain stem and spinal part arising from spinal cord. It enters the foramen magnum.

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10
Q

Where does the oculomotor nerve emerge (attach) from?

A

Anterior surface of midbrain (in the interpeduncular fossa).

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11
Q

Where does the trochlear nerve leave (attach) from?

A

Only nerve that leave the posterior surface of brainstem then passes forward and emerges from midbrain

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12
Q

Where does the trigeminal nerve leave (attach) from?

A

Leaves anterior aspect of lateral side of pons as a small motor root and a large sensory root

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13
Q

Where do the Abducent, facial and vestibulocochlear nerves emerge (attach) from?

A

In the groove between the lower border of pons and the medulla oblongata

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14
Q

Where do the Glossopharyngeal, vagus and cranial part of accessory nerves leave (attach) from?

A

Anterolateral surface of medulla in a groove between the olive and the inferior cerebellar peduncle

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15
Q

Where does the spinal part of the accessory nerve emerge (attach) from?

A

The spinal cord and enter the skull through the foramen magnum

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16
Q

Where do the hypoglossal nerve fibres emerge (attach) from?

A

Anterior surface of medulla oblongata between pyramid and olive

17
Q

Where is the attachment of the 5th Cranial nerve?

A

Lateral side of Pons

18
Q

Name the foramen the olfactory nerve passes through

A

Cribriform Plate of Ethmoid

19
Q

Name the foramen the optic nerve passes through

A

Optic Canal

20
Q

Name the foramen the oculomotor nerve passes through

A

Superior Orbital Fissure

21
Q

Name the foramen the trochlear nerve passes through

A

Superior Orbital Fissure

22
Q

Name the foramen the trigeminal ophthalmic nerve passes through

A

Superior Orbital Fissure

23
Q

Name the foramen the trigeminal maxillary nerve passes through

A

Rotundum

24
Q

Name the foramen the trigeminal mandibular nerve passes through

A

Ovale

25
Q

Name the foramen the abducent nerve passes through

A

Superior Orbital Fissure

26
Q

Name the foramen the facial nerve passes through

A

Internal Acoustic Meatus (ear)

27
Q

Name the foramen the vestibulocochlear nerve passes through

A

Internal Auditory Meatus (ear)

28
Q

Name the foramen the glossopharyngeal nerve passes through

A

Jugular foramen

29
Q

Name the foramen the vagus nerve passes through

A

Jugular Foramen

30
Q

Name the foramen the accesory nerve passes through

A

Jugular Foramen

31
Q

Name the foramen the hypoglossal nerve passes through

A

Hypoglossal Canal

32
Q

Which nerves supply the eye?

A

3,4 & 6

33
Q

What is lateral to the orbit?

A

Optic Canal

34
Q

What is the spinal cord protected by?

A

Vertebral column

Anatomy of Dentistry Semester 2 (7 decks)

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