the concentrations of sp-li in brain , spinal cord and intestine of different submammalian species except branchiostoma brain and intestine and turtle brain , were in a similar range ( 2.1-5.3 fmol/mg in the brain , 0.2-2.0 fmol/mg in the spinal cord , 0.3-4.2 fmol/mg in the intestine ) .
C0086045
concentrations
C0006104
brain