The Positive Sciences of the Ancient Hindus c9.s3.4

c9.s3.4

The following parts (tissues and organs) in the fœtus are in a special sense modifications of the four organic substances (compounds) contributed by the sperm-cell of the male parent: hair, nails, teeth, bones, nerves, veins and arteries, tendons and ligaments, and the sperm-cell; the following are modifications of the four organic substances derived from the mother: skin, blood, flesh, fat, the heart, liver and spleen, kidneys, stomach, intestines, etc. (Charaka, *Śârîrasthâna*, Chap. III.).