1828 The Lancet  
14 foetal surface of the placenta, being always found near its uterine surface, where they are generally collected together in patches, and not scattered throughout its whole extent. Their consistence varies from i that of albumen to that of stone. Their component parts are phosphate and carbonate of lime, phosphate of magnesia, and a very small quantity of sulphuric acid, probably in combination with some base. M. Carus is of opinion that they procee d from the mother and not from the fcetus,
more » ... t from the fcetus, and compares their formation to the production of the solid covering of the egg in birds and in some species of reptiles. These concretions give rise sometimes to no had symptom ; they however more frequently occasion adhesion of the placenta, isnammation of the womb. &c. On opening the body of a cow which had been pregnant eight months, Dr. Jaeger found a calf, the entire surface of which was white, and deprived of hair, with the exception of certain spots. A serous fluid, rather dense, analogous to the liquor amnii of the cow, filled the subcutaneous cellular tissue, and passed off by the natural apertures of i the body, and by the surface of the skin, without any incision having been made. It i i was supposed to be about fifty pounds in weight, that is to say, about half of the weight of the animal; the bones appeared to be regularly formed ; the sternum and ribs were not developed as much as the rest of the body ; this want of development was also observed in most of the organs contained in the thorax and abdomen. The lungs were very small and compact, and presented, on being inflated in the superior lobe, the appearance of elongations, similar to those which are observed in the lung of the cameleon, and, in the inferior lobe, that of a membranous bladder, trans-
doi:10.1016/s0140-6736(02)91945-8 fatcat:vpjd6wxg2rekrplxzv7u7bzi3q