De Generatione Animalium PDF Download

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910 edition. Excerpt: ... the residual matter is small so that it is all used up along with the nourishment that goes to the foetus.) 25 We must also speak of what is known as mola uteri} 7 which occurs rarely in women but still is found sometimes during pregnancy. For they produce what is called a mola; it has happened before now to a woman, after she had had intercourse with her husband and supposed she had conceived, that at first the size of her belly increased and 30 everything else happened accordingly, but yet when the time for birth came on, she neither bore a child nor was her size reduced, but she continued thus for three or four years until dysentery came on, endangering her life, and she produced a lump of flesh which is called mola? Moreover this condition may continue till old age and death. Such 35 masses when expelled from the body become so hard that they can hardly be cut through even by iron.3 Concerning the cause of this phenomenon we have spoken in the Problems;4 the same thing happens to the embryo in the 776a womb as to meats half cooked in roasting, and it is not due to heat, as some say, but rather to the weakness of the maternal heat. (For their nature seems to be incapable, and unable to perfect or to put the last touches to the process of generation. Hence it is that the mola remains in them till 5 old age or at any rate for a long time, for in its nature it is neither perfect nor altogether a foreign body.5) It is want of concoction that is the reason of its hardness, as with halfcooked meat, for this half-dressing of meat is also a sort of want of concoction. 1 If the foetus die during pregnancy and is not cast forth, part of the placenta or membranes may continue to be nourished, causing the formation of a ' mola ' or ' mole'. This...