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ANATOMY > Neuroanatomy: Cerebrum > Flashcards

Neuroanatomy: Cerebrum Flashcards

1
Q

C-shaped CSF-filled cavities within each cerebral
hemisphere.

A

Lateral Ventricles

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2
Q

Communication between hemispheres.

A

Commissural fibres

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3
Q

Communication between parts in one hemisphere.

A

Association fibres

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4
Q

Communication between the cerebral cortex with
more caudal structures in the central nervous
system, like the thalamus, brainstem, and spinal
cord.

A

Projection fibres

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5
Q

A deep median cleft separating the right and left
cerebral hemispheres.

A

Longitudinal fissure

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6
Q

Name the 4 borders of the cerebrum.

A

Superomedial border
Inferolateral border
Inferomedial border

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7
Q

Name the 3 surfaces of the cerebrum.

A
  • Superomedial surface
  • Medial surface
  • Inferior surface
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8
Q

Name the 3 poles.

A
  • Frontal pole
  • Occipital pole
  • Temporal pole
    No parietal pole!
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9
Q

Name the 4 lobes of the cerebrum.

A
  • Frontal lobe
  • Parietal lobe
  • Occipital lobe
  • Temporal lobe
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10
Q

Sulcus separating the frontal and parietal lobes.

A

Central sulcus

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11
Q

Sulcus separating the temporal and parietal lobes.

A

Lateral sulcus
(only visible on the superolateral surface of the cerebrum)

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12
Q

Sulcus on medial surface between parietal and
occipital lobes.

A

Parieto-occipital sulcus

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13
Q

Area of cerebral cortex anterior to the central
sulcus.

A

Frontal lobe

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14
Q

Area of cerebral cortex posterior to the central
sulcus to parieto-occipital sulcus.

A

Parietal lobe

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15
Q

Area below the lateral sulcus.

A

Temporal lobe

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16
Q

Superior & inferior temporal sulci divide the
temporal lobe into ________ gyri.

A

Superior, middle & inferior
temporal

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17
Q

The occipital lobe is divided into superior and
inferior occipital gyri by the _______ sulcus.

A

Lateral occipital

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18
Q

Groove located in the occipital cortex.

A

Lunate sulcus

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19
Q

Sulcus continuous with the posterior end of the
occipital ramus of the intraparietal sulcus, and runs across the upper part of the occipital lobe, a short distance behind the parietooccipital sulcus.

A

Transverse occipital sulcus

20
Q

A small region of the cerebral cortex located deep
within the lateral sulcus, covered by the portions of
the frontal, parietal, and temporal lobes. It forms
part of the limbic system.

A

Insula

21
Q

Sulcus from the front of genu, running backwards
parallel to upper margin of cerebral cortex.

A

Cingulate sulcus

22
Q

Sulcus below splenium, running towards the
occipital pole.

A

Calcarine sulcus

23
Q

Sulci below the genu.

A

Small anterior & posterior
paraolfactory sulci

24
Q

Sulcus separating the cingulate gyrus from the
cerebral cortex.

A

Callosal sulcus

25
Q

Gyrus between the cerebral cortex & cingulate
sulcus.

A

Cingulate gyrus

26
Q

Continuation of the precentral and postcentral
gyri of the superolateral surface into the medial
surface of cerebral hemisphere.

A

Paracentral lobule

27
Q

Quadrangular area between the suprasplenial sulcus & superomedial border.

A

Precuneus

28
Q

Triangular area between the parieto-occipital
sulcus & calcarine sulcus.

A

Cuneus

29
Q

Gyrus lying between the anterior &
posterior paraolfactory sulci.

A

Paraolfactory gyrus

30
Q

Gyrus below the calcarine sulcus.

A

Lingual gyrus

31
Q

An anteroposterior sulcus found close to the medial border of the orbital surface. The olfactory tract lies within this sulcus.

A

Olfactory sulcus

32
Q

The _______ is located at the most medial margin
of the inferior surface of the frontal lobe.

A

Gyrus rectus or Straight gyrus

33
Q

The orbital surface is divided by a H-shaped
_______ into anterior, posterior, medial and lateral
orbital gyri.

A

Orbital sulcus

34
Q

Sulcus running antero-posteriorly on the medial
aspect of the inferior cerebral surface.

A

Collateral sulcus

35
Q

Sulcus running antero-posteriorly on the lateral
aspect of the inferior cerebral surface.

A

Occipitotemporal sulcus

36
Q

The most medial part of the temporal lobe.

A

Uncus

37
Q

Gyrus located medial to the collateral sulcus. It is
joined to the cingulate gyrus via the isthmus.

A

Para-hippocampal gyrus

38
Q

Gyrus located lateral to collateral sulcus.

A

Medial & lateral occipitotemporal

gyri

39
Q

A part of the hippocampal formation, a group of
structures that lie in the medial temporal lobe.

A

Dentate gyrus

40
Q

A detailed topographically organized map of the
opposite half of the body.

A

Homunculus

41
Q

Motor areas (Primary motor cortex)

A

Pre-central gyrus

42
Q

Sensory areas (Primary somatosensory cortex)

A

Postcentral gyrus

43
Q

Speech (Broca’s area/ motor speech)

A

Lies just above the lateral sulcus in the frontal lobe
Function: Speech production

44
Q

Auditory (Primary auditory area)

A
  • Lies on superior temporal gyri
  • Precise location: Heschls
    convolutions
  • Auditory association area:
    Wernicke’s area surrounding and
    posterior to the primary auditory
    area
    Function: Comprehension of speech and language
45
Q

Vision (Primary visual area)

A
  • Situated on the posterior pole and
    medial aspect of the cerebral
    hemisphere in the occipital lobe.
  • Precise location: region of the
    calcarine sulcus

ANATOMY (4 decks)

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