Obstetrics : the science and the art . der, and, after causing a large quantity of blood to bedrawn from the ladys arm, the spasm of the cervix ceased, upon whichhe was liberated from an imprisonment of two hours. His wrist wasmarked, as if a cord had been strongly bound round it; the red tracesof which impression were visible even the next day. The operation of turning the child in a powerful womb, from whichthe waters have been entirely drained, not unfrequently produces from pressure, a degree of numbness sogreat as to make it necessary to with-draw the one, and introduce the otherhand—the
Obstetrics : the science and the art . der, and, after causing a large quantity of blood to bedrawn from the ladys arm, the spasm of the cervix ceased, upon whichhe was liberated from an imprisonment of two hours. His wrist wasmarked, as if a cord had been strongly bound round it; the red tracesof which impression were visible even the next day. The operation of turning the child in a powerful womb, from whichthe waters have been entirely drained, not unfrequently produces from pressure, a degree of numbness sogreat as to make it necessary to with-draw the one, and introduce the otherhand—the sensibility and motion ofthe first one being wholly suspended;the resistance to be overcome in theexpulsion of a growrn foetus requires amuscular force which cannot be ex-actly estimated, and must, therefore,be immense. Different writers describe the ar-rangement of the muscular fibres ofthe uterus in different manners. Thevery discrepancies of these authorsought to convince us that their arrangement is not yet understood ; Fig. PREGNANCY. 239 and, indeed, it is of no great consequence, in ..a practical view, thatit should be demonstrated. It is enough to know that the fibresare so arranged as to tend, by their combined contractions, to reducethe uterus back from the gravid size to that of the unimpregnatedorgan. When their contraction is co-ordinate, the fundus tends toapproach the os tinea?, and the sides tend to approach each is contained within the cavity of the organ is, under thesecircumstances, expelled therefrom. It should be always understood that, in speaking of the muscularstructure of the womb, we speak of the gravid womb only, in whichthe arrangement and condition of those fibres are perhaps very dif-ferent from those of the virgin or the non-gravid organ. Fig. 68 isa representation of their arrangements, proposed by M. Chailly, whichdiffers from the very beautiful drawing of a dissection of them, thatis given in Dr. Moreaus Atlas. Both of the
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Keywords: ., boo, bookcentury1800, booksubjectmidwifery, booksubjectobstetrics
