Observations on abortion : containing an account of the manner in which it takes place, the causes which produce it, and the method of preventing or treating it / By John Burns.

  • Burns, John, 1774-1850.
Date:
1807
Catalogue details

Licence: Public Domain Mark

Credit: Observations on abortion : containing an account of the manner in which it takes place, the causes which produce it, and the method of preventing or treating it / By John Burns. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    be called decidua striata, although the striae be obliterated as gestation advan- ces ; almost immediately after the form- ation of these primary vessels, they secrete from their extremities a mem- brane, or rather an irregular tissue of vessels, which, on account of their origin, may be called secondary. These are very different from the primary, for %yhilst the latter are short, straight, and parallel to each other, the former are more extended, intermix, and ramify together, so as to form a sheet of vascu- lar substance, w^hich assumes a direction at right angles to the striae, so that as they thus cross them, it follows that any body coming dow^n through the fi^llopian tube into the uterus, must, before it can get fully into its cavity, either rupture this vascular sheet, or ppsb it befpre it. In this last manner