The Dublin practice of midwifery / By Henry Maunsell.

  • Henry Maunsell
Date:
1834
Catalogue details

Licence: Public Domain Mark

Credit: The Dublin practice of midwifery / By Henry Maunsell. Source: Wellcome Collection.

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    larged during gestation, especially in the neigh- bourhood of the site of the placenta, where the arteries are sometimes as large as the point of the little finger. The veins are proportionally large, and form plexuses, with very free communication. The lymphatics are also very large and numerous. The nerves, which are derived from the hypo- gastric and spermatic plexuses of the great sympa- thetic, and, from the sacral pairs, are said by some (W. Hunter and F. Tiedeman) to be enlarged ; a circumstance, however, that has been denied by other observers.* Contents of the Womb. — These consist of the foetus, liquor amnii, or waters, and the secundines; all together constituting the ovum. The secundines consist of the funis, placenta, and membranes; the latter being three in number, viz. the decidua, chorion, and amnion. The decidua is the outermost coat of the ovum, and less properly belongs to it than to the uterus, as it is formed in the latter during the process of con- ception, and before the ovum has descended into its cavity. It is also to be found in the womb, in cases of extra-uterine foetation, appearing to be, in fact, a preparation made in the organ for the lodgment of an expected but absent guest. The exact nature of this membrane has been much disputed; but it appears to be, at first, a secretion of organisable lymph, produced by the vessels of the womb while * lorg, Handbuch der Geburtshiilfe,
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