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BIOL 537 - A&P Lab > Brain and Cranial Nerves > Flashcards

Brain and Cranial Nerves Flashcards

1
Q

Choroid Plexus

A

Ependymal cells take plasma from capillaries and convert it into CSF

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2
Q

Cerebellar Peduncles

A
  • Holds up cerebellum
  • Superior, middle, and inferior
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3
Q

Brain Surface Structures

A
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4
Q

Cranial Nerves

A

On - Olfactory (I)

Old - Optic (II)

Olympus - Oculomotor (III)

Towering - Trochlear (IV)

Tops - Trigeminal (V)

A - Abducens (VI)

Finely - Facial (VII)

Vested - Vestibulocochlear (VIII)

German - Glossopharangeal (IX)

Viewed - Vagus (X)

A - Accessory (XI)

Hawk - Hypoglossal (XII)

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5
Q

3rd Ventricle

A

Has a hole within that accomodates interthalamic adhesion

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6
Q

Hindbrain Structures 1

A
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7
Q

Interthalamic Adhesion

A

Connects two lobes of thalamus; appears lighter

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8
Q

Midbrain

A
  • Corpora Quadrigemina
    • Superior Colliculi
    • Inferior Colliculi
  • Cerebral Peduncles
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9
Q

Hindbrain

A
  • Pons
  • Medulla Oblongata
  • Cerebellum
  • Cerebellar Peduncles
  • Medullary Pyramids
  • Olives
  • Cerebellar Cortex
  • Arbor Vitae
  • Folia
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10
Q

4th Ventricle

A
  • Contains 2 lateral and 1 median aperture (opening)
  • CSF exits into subarachnoid space
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11
Q

Cerebral Aqueduct

A

Diameter of pencil lead

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12
Q

Mammillary Bodies

A

2 mounds by hypothalamus

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13
Q

Arbor Vitae

A

White nerve tract (myelinated axons) inside cerebellum

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14
Q

Hindbrain Structures 3

A
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15
Q

Arachnoid Granulations

A

CSF exits out of these into superior sagittal sinus

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16
Q

Cranial Nerves 1

A
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17
Q

Infundibulum

A

Connects hypothalamus to Pituitary Gland (“master gland”)

18
Q

Cerebellar Cortex

A

Gray matter surrounding branches of arbor vitae

19
Q

Cranial Nerves 2

20
Q

Cranial Nerves Functions

A

Some

Say

Marry

Money

But

My

Brother

Says

Big

Brains

Matter

Most

21
Q

Olives

A

Behind pyramids, on medulla

23
Q

Pons

A

Superior to Medulla

24
Q

Cerebellum

A

Left and right halves separated by cerebellar vermis

25
Q

Diencephalon

A
  • Thalamus
  • Hypothalamus
  • Epithalamus
  • Subthalamus
26
Q

CSF Flow Steps

A
  1. Choroid Plexus
  2. Lateral Ventricles
  3. 3rd Ventricle
  4. Cerebral Aqueduct
  5. 4th Ventricle
  6. Subarachnoid Space
  7. Central Canal
  8. Arachnoid Granulations
  9. Superior Sagittal Sinus
27
Q

Midbrain Structures

28
Q

Superior Sagittal Sinus

A

Where CSF exits into and joins up with used blood and goes back into circulation

29
Q

Pituitary Gland

A
  • Anterior is darker, posterior is lighter
  • Held by Sella Turcica
30
Q

Pineal Gland

A

In epithalamus; releases melatonin

32
Q

Lateral Ventricles

A
  • Have interventricular foramen (little holes that allow CSF to enter 3rd ventricle)
  • Separated by Septum Pellucidum
33
Q

Hindbrain Structures 2

34
Q

Medullary Pyramids

A
  • Decussation of Pyramids
    • Crossover occurs here
35
Q

Corpus Callosum

A
  • Wide nerve track that connects hemispheres of brain
  • Thicker in women than in men
36
Q

Folia

A

Looks like leaves on arbor vitae (consequence of gyri)

37
Q

Septum Pellucidum

A
  • Translates to “Transparent Wall”
  • Separates Lateral Ventricles
  • Directly underneath Corpus Callosum
38
Q

Optic Chiasm

A
  • Crossover between eyes and hemispheres
  • Towards front of hypothalamus
  • Optic nerves come in here
40
Q

Forebrain

A
  • Cerebrum
  • Infundibulum
  • Mammillary Bodies
  • Optic Chiasm
  • Diencephalon
  • Septum Pellucidum
  • Corpus Callosum
  • Pineal Gland
  • Interthalamic Adhesion

BIOL 537 - A&P Lab (11 decks)

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