Obstetrics for nurses / by Joseph B. De Lee.

  • Joseph DeLee
Date:
1933
Catalogue details

Licence: In copyright

Credit: Obstetrics for nurses / by Joseph B. De Lee. Source: Wellcome Collection.

    32/708 page 28
    sides, by the innominate bones; and in front, by the rami of the innominate bones. In front it is only 2 inches high but behind it is 6 inches. The bony pelvis is exceedingly Fig. 5.—Outline of the pelvic in- Fig. 6.—Outline of the pelvic out¬ let. Note transverse ellipse. let. Note anteroposterior ellipse. irregular in outline, having many notches, and several openings through which various structures—muscles, nerves, blood-vessels, etc.—pass. Fig. 7.—Head of fetus at the inlet of the pelvis. Long diameter or head lies transversely. Viewed from above. In general, the shape of the cavity of the true pelvis is that of an elbow of stovepipe. Where the true and false pelves join there is a more or less marked rim. This place is called the inlet, brim, or upper strait, the pelvis being nar-
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