innervation

noun

in·​ner·​va·​tion ˌin-(ˌ)ər-ˈvā-shən, in-ˌər- 

1

: the process of innervating or the state of being innervated

especially : the nervous excitation necessary for the maintenance of the life and functions of the various organs

2

: the distribution of nerves to or in a part

innervational

-shnəl, -shən-ᵊl 

adjective