Term Name: plasmodesmatal desmotubule
Synonyms: desmotubule central rod
Definition: A tightly wound cylinder of membrane that is located within the plasmodesmal pore and runs the length of the plasmodesma. The desmotubule likely provides a rigid stability to plasmodesmata and confers a fixed diameter and pore size to the plasmodesmal canal, and is linked to the endoplasmic reticulum in each of the adjacent cell.
Ontology: GO: Cellular Component [GO:0009510]    QuickGO    AmiGO

Relationships
is part of: endoplasmic reticulum plasma membrane plasmodesma
has parts: plasmodesmatal endoplasmic reticulum
is a type of: cellular anatomical structure