Explanatory notes
… the brain, spinal cord, liver, kidneys, spleen, pancreas, mammary glands, testes, ovaries), dried, whether or not … complex organic acids (muco-polysaccharides) obtained from mammalian tissues. Its composition varies according to the … the treatment of extracts of glands or other organs, e.g., amino-acids ( heading 29.22 ), vitamins ( heading 29.36 ), …