The nerves
object · 2 works · 2 mentions · 3 anchored passages
الاعصاب · al-aʿṣāb · the nerves · الالياف العصبية · الالياف الموردة · المصدرة
in the texts
al-Saʻādah fī falsafat al-akhlāq
The nerves arising from the brain, by which sensation and voluntary motion occur.
the nerves arising from it run the course that the arteries run from the heart, in that they are fixed in the brain and reach to the end of the body, and by them sensation and voluntary motion are accomplished.
Risālat baqāʼ al-nafs baʻda fanāʼ al-jasad
Al-aʿṣāb and their alyāf, the exceedingly fine threads linking the nerve centres to one another and to the body's regions, divided into afferent fibres of sensation and efferent fibres of transmission outward, powerless without a stimulus, and credited with making distinct cerebral centres share in common operations.
Impressions are conveyed to the brain and the spinal cord by means of the nerves, which are threads of the utmost fineness and cords of connection joining the nerve centres one to another and distributed through the various regions of the body;
it is the principal part of the nerves that connect the cerebral centres with the tissues.
As for the linkage of the auditory conception with the visual conception, it is the issue of the linkage of the two centres by the nerve fibres, which make them share in a set of operations.