internodal segment

{{Short description|Portion of a nerve fiber}}

{{Infobox microanatomy

| Name = Internodal segment

| Latin = segmentum internodale

| Greek =

| Image = Gray631.png

| Caption = Diagram of longitudinal sections of medullated nerve fibers.

| Width =

| Image2 = Gray634.png

| Caption2 = Medullated nerve fibers stained with silver nitrate.

| Precursor =

| System = Nervous system

| PartOf = Axon of nerve fiber

}}

An internodal segment (or internode) is the portion of a nerve fiber between two Nodes of Ranvier. The neurilemma or primitive sheath is not interrupted at the nodes, but passes over them as a continuous membrane.