Book 1
7
Passing now to the faculty of GrowthLit. the auxetic or incremental faculty. let us first mention that this, too, is present in the foetus in utero as is also the nutritive faculty, but that at that stage these two faculties are, as it were, handmaids to those already mentionedi.e.. to the alterative and shaping faculties (histogenetic and organogenetic)., and do not possess in themselves supreme authority. When, however, the animalIf the reading is correct we can only suppose that Galen meant the embryo. has attained its complete size, then, during the whole period following its birth and until the acme is reached, the faculty of growth is predominant, while the alterative and nutritive faculties are accessory — in fact, act as its handmaids. What, then, is the property of this faculty of growth? To extend in every direction that which has already come into existence — that is to say, the solid parts of the body, the arteries, veins, nerves, bones, cartilages, membranes, ligaments, and the various coats which we have just called elementary, homogeneous, and simple. And I shall state in what way they gain this extension in every direction, first giving an illustration for the sake of clearness.
