The Dublin practice of midwifery / By Henry Maunsell, M. D., with notes and additions by Chandler R. Gilman.

  • Henry Maunsell
Date:
1842
Catalogue details

Licence: Public Domain Mark

Credit: The Dublin practice of midwifery / By Henry Maunsell, M. D., with notes and additions by Chandler R. Gilman. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    ry of the sacrum, and is one of the chief land- marks used by an accoucheur. The two iliac or lateral surfaces, are irregularly triangular, very rough, and corresponding to the surfaces of the iliac bones, to which they are united. The base of the sacrum is directed upwards, and a little forwards, and by its oval central portion is united to the last lumbar vertebra. The summit of the bone is directed downwards and forwards, and to it is attached the coccyx. The coccyx. This little bone is developed in three, four or five pieces, whose size diminishes from above downwards ; it is attached to the sacrum by an- terior and posterior ligaments. This union admits of some motion early in life, but anchylosis {false) usu- ally takes place about thirty, unless its occurrence is prevented by child-bearing. The coccyx has a gen- eral resemblance to the sacrum, being convex and rough behind, concave and smooth before, and pro- longing the concavity or hollow of the sacrum.'] These different bones are connected to one another by four articulations. Two serve to unite the sacrum with the os inno- minatum of either side. These are denominated the sacro-iliac synchondroses, and possess remark- able strength, both from the manner in which the prominences and hollows of the opposed surfaces are, as it were, morticed into each other, and also from the strong bands of ligament stretched across the posterior and upper edges. A ligamentous ex- pansion further strengthens the front of the articu- lation ; but this is thin and membranous, that it may