A System of midwifery : including the diseases of pregnancy and the puerperal state . structure of the pla-centa, some general description of the physical characters of the matureorgan may here be given. On its removal from the body, it is foundto be a soft spongy mass, about twenty ounces in weight, and seven an 1a half inches in its greatest width. These are, of course, average di-mensions, as it varies greatly in size; and, on the same principle, it isdescribed as being three-fourths of an inch thick in the centre, and one-eighth to one-fourth of an inch at the margin. It is usually somewha
A System of midwifery : including the diseases of pregnancy and the puerperal state . structure of the pla-centa, some general description of the physical characters of the matureorgan may here be given. On its removal from the body, it is foundto be a soft spongy mass, about twenty ounces in weight, and seven an 1a half inches in its greatest width. These are, of course, average di-mensions, as it varies greatly in size; and, on the same principle, it isdescribed as being three-fourths of an inch thick in the centre, and one-eighth to one-fourth of an inch at the margin. It is usually somewhatoval in form, and the umbilical cord is inserted in the centre of its VI.] STRUCTURE OF THE PLACENTA. foetal surface. It may be situated at any portion of the uterine surface,even over the 03, but its usual site is the neighborhood of the presents for observation an internal or foetal, and an external oruterine surface. The internal surface (Fig. 62) is smooth, and is covered by the am-nion, through which the vessels are distinctly seen to divide and sub- Fig.
Size: 1133px × 2204px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectobstetrics, bookyear1
