Rygmarven Flashcards

1
Q

Medulla spinalis

A

Rygmarven.

Inddeles i segmenter (segmenta medulla spinalis), der hver især er forbundet med en rygmarvsnerve/spinalnerve.

Der findes 31 spinalnerver.

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2
Q

Medulla spinalis opdeling

A

Pars cervicalis - 1-8. til midt på 7. halshvirvel.

Pars thoracica - 1-12 thorakalsegmenter.

Pars lumbalis - 1-5 lumbal segmenter.

Pars sacralis 1-5 sakralsegmenter.

Pars coccygea 1-3 meget små segmenter.

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3
Q

Fila radicularia

A

Nervetråde, der træder ud fra medulla spinalis og samles til spinalnervenes rødder (radix).

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4
Q

Radix ventralis / anterior

A

Forreste motoriske rod

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5
Q

Radix dorsalis / posterior

A

Bagerste sensoriske rod

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6
Q

Ramus ventralis / ramus dorsalis

A

Forgreninger i rødderne

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7
Q

Ganglion spinale

A

Samlingspunkt for affarente/sensoriske/pseudounipolære nerveceller.

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