HISTOHAEMATIN
His`to*hæm"a*tin, n. Etym: [Gr. "isto`s tissue + E. hæmatin.]
(Physiol.)
Defn: One of a class of respiratory pigments, widely distributed in the animal kingdom, capable of ready oxidation and reduction.
HISTOID
His"toid, a. Etym: [Gr. "isto`s tissue + -oid.]
Defn: Resembling the normal tissues; as, histoid tumors.
HISTOLOGIC; HISTOLOGICAL
His`to*log"ic, His`to*log"ic*al a. (Biol.)
Defn: Pertaining to histology, or to the microscopic structure of the tissues of living organisms. — His`to*log"ic*al*ly, adv.
HISTOLOGIST
His*tol"o*gist, n.
Defn: One versed in histology.
HISTOLOGY
His*tol"o*gy, n. Etym: [Gr. "isto`s tissue + -logy.]
Defn: That branch of biological science, which treats of the minute (microscopic) structure of animal and vegetable tissues; — called also histiology.