Scalariform

a. [ L. scalare, scalaria, staircase, ladder + -form: cf. F. scalariforme. ] 1. Resembling a ladder in form or appearance; having transverse bars or markings like the rounds of a ladder; as, the scalariform cells and scalariform pits in some plants. [ 1913 Webster ]

2. (Zool.) Like or pertaining to a scalaria. [ 1913 Webster ]