Plasmodesmata what does that mean?
It's a narrow thread of cytoplasm that passes through the cell walls of adjacent plant cells and allows communication between them.
Look in an advanced science book.
plas·mo·des·ma? ?[plaz-muh-des-muh] noun, plural plas·mo·des·ma·ta ?[-muh-tuh] .any of many minute strands of cytoplasm that extend through plant cell walls and connect adjoining cells.
In a nutshell, it's the bridge between plant cells.