Yellow colored nerve on white background. The body of the cell and its appendages are visible. Appendages: Axon - enclosed in myelin sheath, directed to the bottom; Dendrites, towards the sides and top.
A nerve is an anatomical structure that transmits excitation. It consists of many bundled nerve fibres and their surrounding connective tissue that can be divided into endoneurium and epineurium.
Nerves have different funtions.