psychosine

psy·cho·sine

(sī'kō-sēn), Galactosylsphingosine, a constituent of cerebrosides, formed from UDPgalactose and sphingosine by UDPgalactose-sphingosine β-d-galactosyltransferase.

psychosine

(sī′kō-sīn″, sēn″) A glycosylated lipid found in the brains of patients with Krabbe's disease. It produces premature death of neurons and the clinical features of Krabbe's disease.