Myohaematin :: Myohaematin (n.) A red-colored respiratory pigment found associated with hemoglobin in the muscle tissue of a large number of animals, both vertebrate and invertebrate..
Spermatin :: Spermatin (n.) A substance allied to alkali albumin and to mucin, present in semen, to which it is said to impart the mucilaginous character..
Urohaematin :: Urohaematin (n.) Urinary haematin; -- applied to the normal coloring matter of the urine, on the supposition that it is formed either directly or indirectly (through bilirubin) from the haematin of the blood. See Urochrome, and Urobilin..