histiology

from The Collaborative International Dictionary of English v.0.48

Histiology \His`ti*ol"o*gy\, n. [Gr. "isto`s tissue + -logy.]
   Same as {Histology}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Histology \His*tol"o*gy\, n. [Gr. "isto`s tissue + -logy.]
   That branch of biological science, which treats of the minute
   (microscopic) structure of animal and vegetable tissues; --
   called also {histiology}.
   [1913 Webster]