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Bio 2320 > Nervous System 4 > Flashcards

Nervous System 4 Flashcards

1
Q

The CNS develops from the neural plate on the _____ surface of the embryo

A

Dorsal

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2
Q

The brain forms from a series of pouches from the ____ ____

A

Neural Tube

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3
Q

How many brain regions can be identified in the early embryo?

A

3

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4
Q

The brain is commonly divided into what 4 things?

A

Cerebral hemispheres
Diencephalon
Brainstem
Cerebellum

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5
Q

What does the brainstem consist of?

A

midbrain
pons
medulla oblongata

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6
Q

The two spaces in the cerebral hemispheres

A

lateral ventricals

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7
Q

Where is the 3rd ventricle?

A

in the diencephalon

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8
Q

Where is the 4th ventricle?

A

in the hindbrain

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9
Q

Nervous system is created from this layer

A

Ectoderm

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10
Q

Notochord is created from this layer

A

Mesoderm

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11
Q

Primary Brain Vesicles

A

prosencephalon
mesencephalon
rhombencephalon
neural canal

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12
Q

Secondary brain vesicle

A 
telencephalon
diencephalon
mesencephalon
mesencephalon
myelencephalon
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13
Q

Neural canal in telencephalon

A

lateral ventricles

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14
Q

Neural canal in diencephalon

A

third ventricle

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15
Q

neural canal in mesencephalon

A

cerebral aqueduct

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16
Q

Neural canal in metencephalon

A

fourth ventricle

superior part

17
Q

Neural canal in Myelincephalon

A

fourth ventricle

inferior part

18
Q

Structures within the telencephalon

A

cerebrum

19
Q

Structures within the Diencephalon

A

Epithalamus
Thalamus
Hypothalamus

20
Q

Structures within the Mesencephalon

A

Superior Colliculi

Inferior Colliculi

21
Q

Structures within the Metencephalon

A

Pons

Cerebellum

22
Q

Structures within the Myelencephalon

A

Medulla oblongata

23
Q

Cluster of neuron cell bodies within the PNS

A

Ganglion

24
Q

Group of CNS neuron cell bodies with a common function

A

Center

25
Q

Center in the CNS that displays discrete anatomic boundaries

A

Nucleus

26
Q

Axon bundle of nerves in the PNS

A

Nerve

27
Q

Network of nerves in PNS

A

Nerve Plexus

28
Q

CNS axon bundle in which the axon have a similar function and share a common origin and destination

A

Tract

29
Q

Centers and tracts that connect the CNS with body organs and systems

A

Pathway

30
Q

Outer layer of gray matter in cerebrum and cerebellum; consists of densely packed neuron cell bodies

A

Cortex

31
Q

Either of two symmetrical halves of the cerebrum, separated by the longitudinal fissure

A

Cerebral hemisphere

Bio 2320 (28 decks)

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