delta-aminolevulinate dehydratase porphyria

δ-a·mi·no·lev·u·li·nate de·hy·dra·tase por·phyr·i·a

an inherited disorder in which there is a deficiency of porphobilinogen synthase; δ-aminolevulinate levels are elevated, which leads to neurologic disturbances. Synonym(s): porphobilinogen synthase porphyria