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Neuroatamoy > Brain > Flashcards

Brain Flashcards

1
Q

Gyri

A

Folds on the cortical surface -Gyrus=singular

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2
Q

Sulci

A

Depressions -Sulci=singular

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3
Q

Central Sulcus

A

Separates the frontal cortex from the parietal cortex

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4
Q

Lateral Fissure

A

separates the frontal and parietal cortices from the temporal cortex -AKA sylvan fissure

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5
Q

Preoccipital Notch

A

lateral surface of brain -dividing point between the temporal and occipital cortices

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6
Q

Operculum

A

region of cerebrum bordering the lateral fissure

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7
Q
A

Central Sulcus

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8
Q
A

A= Frontal Cortex

B= Temporal Cortex

C= Parietal Cortex

D= Occipital Cortex

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9
Q

What makes up the brainstem?

A
  1. Midbrain
  2. Pons
  3. Medulla
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10
Q
A

Pons (Part of Brainstem)

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11
Q
A

Medulla (part of the brainstem)

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12
Q
A

Lateral Fissure

-Also called Sylvian Fissure

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13
Q
A

preoccipital notch

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14
Q
A

Cerebellum

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15
Q
A

Limbic Cortex/system

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16
Q

What are the different Parts of the Corpus Callosum?

A

Rostrum

Genu

Body

Splenium

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17
Q
A

Hypothalamus

-relay of information to and from the cerebral cortex

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18
Q
A

Medulla Oblongata (Part of Brain stem)

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19
Q
A

Cerebral Aqueduct (links 3rd and 4th Ventricle)

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20
Q
A

4th Ventricle

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21
Q
A

Parietooccipital Sulcus

22
Q
A

Corpus Callosum

23
Q
A

Mid Brain (Part of the Brainstem)

24
Q

What are the 5 cortices of the brian?

A

Frontal Cortex

Parietal cortex

temporal cortex

Occipital Cortex

Insular Cortex

25
Q

Flow of CSF?

A
  1. Lateral Ventricles
  2. Interventricular Foramen (foramen of Monro)
  3. Third Ventricle
  4. Cerebral Aqueduct
  5. Fourth Ventricle
  6. Median/lateral appertures
  7. subarachnoid space
  8. Arachnoid granulations which protrue into superior sagittal sinus (dural sinus)
  9. Venous Circulation
26
Q

How do the lateral ventricles communiate with the 3rd ventricle?

A

Interventricular Foramen (foramen of Monro)

27
Q

What are the 3 layers of the meninges

A

Dura Mater: tough mother; outer membrane

Arachnoid- CSF flows int he subarachnoid space

Pia Mater-in contact with brain

28
Q

Arachnoid Granulations

A

Site of absorption of CSF into systemic circulation

-protrude into superior sagittal sinus (a dural sinus)

29
Q

Epidural Hematoma

A

ruptured meningeal artery in the Epidural Space

  • located between dura and skull
  • arteries run in periosteal layer of the dura
30
Q

Subdural Hematoma

A

Rupture of a vein (typically cerebral vein) into dural sinus forming subdural space

-Subdural space=near the junction between dura and arachnoid

31
Q

Aneurysms

A

True Aneurism

1) Sacular-occurs where arteries branch; can be problematic; will rupture
2) Fusiform-rarely rupture; not problem

Symptoms- if its pressing against cranial nerve or not

3) False/pseudoaneuisms
- occur in large vessels;doesn’t involve all layers of vessel

32
Q

Venous Drainage of blood

Superficial veins vs Deep Veins

A

Superficial veins

1) Superficial middle cerebral vein
- ru

33
Q

CRANIAL NERVES

A

CN1-Olfactory-sense of smell

CN2–Visual-vision

CN3–oculomotor-eye movement

CN4- Trochlear- Eye movement

CN5–Trigeminal-sensation in face

CN6-Abducens- eye movement

CN7- facial

34
Q

What nerves are involved with the eye?

A

CN3-Oculomotor-eye movement/pupil constriction

CN4-Somatic Motor-eye movement

CN6-Abducens-eye movement

35
Q
A

Vertebral Artery

36
Q
A

PICA

Posterior inferior cerebellar artery

37
Q
A

Basilar Artery

38
Q
A

AICA

Anterior Inferior Cerebellar artery

39
Q
A

Labyrinthine artery

40
Q
A

Superior Cerebellar Artery

41
Q
A

Posterior Cerebral Artery

42
Q
A

Posterior Communicating Artery

43
Q
A

Internal Carotid Artery

44
Q
A

CN1

Olfactory

45
Q
A

CN2

Optic nerve

46
Q
A

Occulomotor nerve

CN3

47
Q
A

CN4

Trochlear Nerve

48
Q
A

CN5

Trigeminal nerve

49
Q
A

CN6

Abducens Nerve

50
Q
A

CN7

Facial Nerve

51
Q
A
52
Q
A

CN8

Vestibulocochlear nerve

Neuroatamoy (7 decks)

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