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Nervus spinalis

Contextus nervi spinalis: ex ramis ventrali et dorsali nervus spinalis oritur et paulo post iam in ramos ventralem et dorsalem dividit. Duo rami parviores, ramus albus communicans et

In vertebratis nervus spinalis [1] (FCAT: A08.800.800.720) est systematis nervosi peripherici nervus, cuius corpori humano pariter triginta et unus sunt[2], octo enim (C1-C8) cervicales, duodecim (Th1-Th12) thoracales, lumbales quinque (L1-L5), sacrales quinque (S1-S5), unus coccygeales (Cc1).

Quisque nervus ex duobus ramis vel radicibus, ventrali enim et dorsali, ex medulla spinali oritur. Radice ventrali nervi efferentes - de medulla exorti - fluunt, radice autem dorsali nervi afferentes in medullam. Perykarya nervorum afferentium in ganglione sensorium radicem dorsalem leviter in decursus medio tumefaciunt. Ramificatione inter quattuor typos fibrarum nervosarum systema nervosum centrale cum (periphericis) systemate nervoso somatico et systema nervoso autonomico communicat.

Structura nervorum spinalium
1. Nervus efferens somaticus.
2. Nervus afferens somaticus.
3,4,5. Nervus efferens visceralis (autonomicus).
6,7. Nervus afferens visceralis (autonomicus)
  1. ↑ Federative Committee on Anatomical Terminology (1998). Terminologia Anatomica. Stutgardiae: Thieme
  2. ↑ Referentia nervorum spinalium.

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