See Also: protoporphyrin type III(medicine)
Protoporphyrin(medicine)
iron protoporphyrin(medicine)
magnesium-protoporphyrin methyltransferase(medicine)
magnesium protoporphyrin monomethyl ester oxidative cyclase(medicine)
Type(finance)
Type(money)
Type B(money)
Type A(money)
type II dip(medicine)

lactulose (iou) and protoporphyrin type III (medicine)


lactulose (iou)



lactulose noun. M20.
[from LACTO- + -ul- + -OSE2, perh. after cellulose.]
Biochemistry & Pharmacology. A synthetic disaccharide sugar, C12H22O11, composed of a fructose and a glucose unit, used as a laxative.

protoporphyrin type III (medicine)


protoporphyrin type III


2,7,12,18-Tetramethyl-3,8-divinylporphin-13,17dipropionic acid;the principal protoporphyrin found in Nature (one of 15 possible isomers), characterised by the presence of 4 methyl groups, 2 vinyl groups, and 2 propionic acid side chains; a porphyrin derivative that, with iron, forms the haem of haemoglobin and the prosthetic groups of myoglobin, catalase, cytochromes, etc.