The Collaborative International Dictionary of English v.0.48:

Tubulated \Tu"bu*la`ted\, a.
   Made in the form of a small tube; provided with a tube, or
   elongated opening.
   [1913 Webster]

   Tubulated bottle or Tubulated retort (Chem.), a bottle or
      retort having a stoppered opening for the introduction or
      removal of materials.
      [1913 Webster]