a. [f. FISSURE sb. + -AL.] Of or pertaining to a fissure, also, inclined to form or having fissures.
1881. Wilder & Gage, Anat. Techn., 501. In view of the inadequacy of our knowledge, we have thought best to confine the discussion of the fissural pattern to a brief statement of what appear to be the constant and the inconstant fissural characters of Felis domestica.
1884. Syd. Soc. Lex., Fissural angeioma, angeioma of the natural fissures of the body.
