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Problems > 7th 328-377 neuro A > Flashcards

7th 328-377 neuro A Flashcards

1
Q

What are sulci?

A

Grooves/depressions between gyri.

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2
Q

What sulcus separates the temporal lobe from the frontal and parietal lobe?

A

The lateral sulcus (sylvian fissure).

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3
Q

Define insula.

A

A portion of cerebral cortex folded deep in the lateral sulcus; forms the floor of the lateral sulcus.

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4
Q

What is the function of Broca’s area?

A

Language production.

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5
Q

Within what lobe is Wernicke’s area located?

A

The dominant (usually left) temporal lobe.

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6
Q

What is the function of Wernicke’s area?

A

It is involved in the comprehension of written and spoken language.

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7
Q

What are the functions of the frontal lobes?

A

Motor function, problem solving, judgement, personality, social and sexual behaviour.

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8
Q

Where is the primary somatosensory cortex located?

A

In the post-central gyrus of the parietal lobe.

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9
Q

What are the functions of the parietal lobes?

A

SOMATOSENSORY function. The dominant lobe is involved in perception, interpretation of sensory information, language and mathematical operations. The non dominant lobe has visiospatial functions.

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10
Q

What are the motor and sensory homunculi?

A

Proportional somatotopical representations of how much of the cortex innervates certain body parts.

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11
Q

How many horns does the lateral ventricle have and what are they called?

A

3 horns.

Anterior, posterior and inferior.

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12
Q

What is the foramen between the lateral ventricles and 3rd ventricle called?

A

The foramen of Munro.

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13
Q

What is the foramen between the 3rd and 4th ventricle called?

A

The cerebral aqueduct.

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14
Q

What are the foramen called that connect the 4th ventricle to the subarachnoid space?

A

The foramina of luschka (lateral) and the foramen of magendie (medial).

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15
Q

Where is choroid plexus located?

A

Along the choroid fissure of the lateral ventricle and in the roof of the 3rd and 4th ventricle.

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16
Q

Where is choroid plexus located?

A

Along the choroid fissure of the lateral ventricle and in the roof of the 3rd and 4th ventricle.

17
Q

What are the 4 anatomical divisions of the corpus callosum?

A
  1. Rostrum.
  2. Genu.
  3. Body.
  4. Splenium.
18
Q

Which anatomical division of the corpus callosum lies most posteriorly?

A

Splenium

19
Q

What gyrus lies immediately above the corpus callosum?

A

The cingulate gyrus.

20
Q

What structure forms the roof of the lateral ventricles?

A

Corpus callosum

21
Q

What are commissural fibres?

A

Fibres linking similar functional areas of the two hemispheres together e.g. the corpus callosum is composed of commissural fibres.

22
Q

What structure divides the midbrain into dorsal and ventral parts?

A

The cerebral aqueduct.

23
Q

What forms the dorsal midbrain?

A

Tectum

24
Q

What is the tectum of the midbrain composed of?

A

The inferior and superior colliculi.

25
Q

What forms the ventral midbrain?

A

The cerebral peduncle.

26
Q

What is the cerebral peduncle of the midbrain composed of?

A

A dorsal tegmentum and a ventral crus cerebri.

27
Q

What structure divides the tegmentum from the crus cerebri?

A

The substantia nigra.

28
Q

What are the crus cerebri?

A

White matter bundles emerging from the cerebral hemispheres.

29
Q

What is the attachment between the midbrain and cerebellum called?

A

The superior cerebellar peduncles.

30
Q

What is the function of the pineal gland?

A

Melatonin synthesis

31
Q

What is the midline sulcus on the ventral surface of the pons called?

A

The basilar sulcus (where the basilar artery lies).

32
Q

What is the sulcus called that forms the caudal border of the pons?

A

Bulbopontine sulcus

33
Q

What is the medullary striae?

A

Ponto-cerebellar fibres that divide the floor of the 4th ventricle into a rostral pontine half and a caudal medullary half.

34
Q

What are the midline fissures of the medulla called?

A
  • The anterior median fissure (ventral).

- The posterior median fissure (dorsal).

35
Q

What lies lateral to the posterior median sulcus?

A

The gracile tubercle (dorsal column nuclei that participate in the sensation of fine touch and proprioception of the lower body).

36
Q

What lies lateral to the gracile tubercle?

A

The cuneate tubercle (dorsal column nuclei that participate in the sensation of fine touch and proprioception of the upper body).

Problems (7 decks)

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