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Unit 17 > Neural Development > Flashcards

Neural Development Flashcards

1
Q

What part of the embryo does the NS develop from

A

ectoderm –> neural plate

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2
Q

at 5weeks what does the ectoderm, mesoderm and endoderm develop into?

A

Prosencephalon

Mesencephalon

Rhombocephalon

SC

Neurocoel

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3
Q

Two parts of the prosencephalon

A

This is the forebrain

Diencephalon
Telencephalon

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4
Q

Two parts of the rhombencephalon

A

This is the hindbrain

Metencephalon
Myelencephalon

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5
Q

What is the other name for the mesencephalon

A

midbrain

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6
Q

Telencephalon makes up what

A

cerebral cortex
white matter
BGD

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7
Q

Diencephalon makes up what

A

thalamus
hypothalamus
epithalamus

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8
Q

Mesencephalon makes upwhat?

A

cerebral peduncles

midbrain

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9
Q

Metencephalon makes up what

A

pons

cerebellum

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10
Q

Myelencephalon makes up what

A

medulla

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11
Q

telencephalon and diencepahlon merg from what

A

prosencephalon

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12
Q

metencephalon and myelencephalol emerge from what

A

rhombencephalon

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13
Q

neural plate arises from ____ and folds inwards to create the ___ ____ . Neural _____ creates the first five parts of the NS

A

neural plate arises from ECTODERM and folds inwards to create the NEURAL TUBE. Neural TUBE creates the first five parts of the NS

1) Prosencephalon
2) Mesencephalon
3) Rhombencephalon
4) SC
5) Neurocoel

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14
Q

what are the four key steps in neural development?

A

Patterning

Neuronal migration

Axonal migration

Synaptogenesis

Myelination

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15
Q

ventral part of the mesoderm for a cell is called what?

A

notochord

On the dorsal part is the neural crest

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16
Q

what is the function of the notochord and the neural crest?

A

secrete signaling molecules

17
Q

concentration of sonic hedgehog and BMP4 are responsible for what?

A

determining what the neuron develops into; motor or sensory?

18
Q

Neuronal migration occurs in parallel with what?

A

patterning

19
Q

neurons migrate from the ______ to ______ as well as what

A

inner to outer layers as well as superior to inferior

20
Q

immature neurons use fibers from cells called ______cells.

What is their function?

A

glia cells

function is a “highway” to carry the cells to their destination

Unit 17 (9 decks)

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