Where do the cranial nerves originate? Where do the spinal nerves originate?

Sagot :

NERVES CORE formed by combining the root of the ventral horns coming out of the front of the dorsal sensory root extending from the dorsal horn. Cranial Nerves - 12 pairs. They extend symmetrically through the opening at the skull base. These nerves innervate the head, except for 10 and 11 Every nerve may be sensory, motor or mixed.
Skully: visual, olfactory, oculomotor, trochlear, trigeminal abducens, facial, vestibulocochlear, glossopharyngeal wrong, sublingual 
Function: receiving stimuli are responsible for memory and intelligence, stimulating muscle contraction head and neck allowing movement of the head, eyes, and tongue, and change facial expressions 
 
Core: cervical, thoracic, lumbar, Cross, coccygeal 
These functions: 
- Receiving the stimuli from the skin, mostly on the trunk and extremities 
- Stimulate the contraction of the trunk muscles primarily and ends