Haematosac

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Haematosac \H[ae]m"a*to*sac`\ (-s[a^]k`), n. [H[ae]mato- + sac.]
     (Anat.)
     A vascular sac connected, beneath the brain, in many fishes,
     with the infundibulum.
     [1913 Webster]