sensorische banen Flashcards

1
Q

N. cuneatus

A

bovenste deel van het lichaam

ligt meer lateraal

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2
Q

N. gracilis

A

onderste deel lichaam

ligt meer mediaal

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3
Q

tast lichaam baan

A

1: nervus –> spinaal ganglion –> dorsale wortel –> ascendeert in fasciculus cuneatus/gracilis (ipsilateraal)
2. synaps in N. cuneatus/gracilis –> kruist naar contralateraal –> ascendeert via mediale lemniscus
3. synaps in VPL (thalamus) –> primaire somatosensibele cortx (laag IV)

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4
Q

VPL

A

ventroposterolaterale kern

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5
Q

tast aangezicht baan

A

1: n. trigeminus –> ganglion trigeminale
2: synaps in N. pricipalis trigeminus –> kruist naar contralateraal –> ascendeert via mediale lemniscus
3: synaps in VPM (thalamus –> capsula interna –> somatosensibele cortex (laag IV) –> laag III –> laag II van andere corticale gebieden (associatie)

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