angioscope

from WordNet (r) 3.0 (2006)

angioscope
    n 1: a modified microscope used to study capillary vessels

from The Collaborative International Dictionary of English v.0.48

Angioscope \An"gi*o*scope\ ([a^]n"j[i^]*[-o]*sk[=o]p), n.
   [Angio- + -scope.]
   An instrument for examining the capillary vessels of animals
   and plants. --Morin.
   [1913 Webster]