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2nd Year - Neuroanatomy > 2.1 The Hemisection of the Brain > Flashcards

2.1 The Hemisection of the Brain Flashcards

1
Q

What fibers pass through the Corpus Callosum?

A

Commisural Fibers

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2
Q

What is the function of the Corpus Callosum?

A

To allow to 2 Hemispheres to communicate with each other

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3
Q

What are the 4 parts of the Corpus Callosum?

Posterior to Anterior

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

What lies immediately inferior to the Corpus Callosum?

A

The Septum Pellucidum

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5
Q

What is the Septum Pellucidum?

A

The Septum Pellucidum is a thin sheet which lies in the Mid-Sagittal plane

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6
Q

What does the Septum Pellucidum separate?

A

The Anterior Horns of the 2 Lateral Ventricles

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7
Q

What lies immediately inferior to the Septum Pellucidum?

A

The Fornix

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8
Q

What is the Fornix?

A

A bundle of fibers which links the Hippocampus with the Mammillary Bodies of the Hypothalamus

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9
Q

Where does the Septum Pellucidum extend to posteriorly?

A

The Intraventricular Foramen - the connection between the 2 Lateral Ventricles and the 3rd Ventricle (III Ventricle)

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10
Q

What is the Bulbous Projection on the Floor of the Lateral Ventricles?

A

The Caudate Nucleus

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11
Q

What is the Caudate Nucleus?

A

One of the Basal Nuclei

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12
Q

What lies immediately inferior to the Fornix?

A

The Thalamus

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13
Q

What is the Thalamus?

A

A sensory relay area

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14
Q

What is the Thalamus made up of?

A

Smaller masses of Gray Matter Nuclei, each with different functions

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15
Q

Where does most of the General Sensory information from the body relay in?

A

The Ventro-Postero-Lateral Nucleus of the Thalamus

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16
Q

What lies immediately inferior to the Thalamus?

A
  1. The Hypothalamic Sulcus

2. the Hypothalamus

17
Q

What are some functions of the Hypothalamus?

A
  1. Autonomic Control Center
  2. Body Temperature Regulator
  3. Regulates Water Balance and Thirst
  4. Regulates Food intake
  5. Regulates Endocrine System Function
  6. Regulates the Sleep-Wake Cycle
18
Q

What structure hangs down from the Hypothalamus?

A

The Stalk of the Pituitary Gland

19
Q

What is the name of the Dural Fold which surrounds the Pituitary Gland?

A

The Sella Diaphragm (or Diaphragm Sellae)

20
Q

What gland lies immediately posterior to the Thalamus?

A

The Pineal Gland

21
Q

Where are the Superior / Inferior Colliculi, in relation to the Pineal Gland?

A

Directly Inferior

2nd Year - Neuroanatomy (13 decks)

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