Fig. 2. (A) Thin layer chromatograph of the polar lipids in the SC of house
sparrows. (B) Profile of lipid standards (Bi) and cerebrosides, ceramides and
cholesterol from the extracted lipids in the SC of house sparrows obtained
using densitometry (Bii). Chol, cholesterol; Cer, ceramide; Cerebr,
cerebroside; C1-C3, cerebrosides 1-3. a.u., arbitrary units.