A treatise on the science and practice of midwifery . erus measures 1\ inches from theorifice to the fundus, rather more than half being taken up by thecervix. Its greatest breadth is opposite the insertion of the Fallopiantubes; its greatest thickness, about 11 or 12 lines, opposite the centreof its body. Its average weight is about 9 or 10 drachms. Independ-ently of pregnancy, the uterus is subject to great alterations of sizetoward the menstrual period, when, on account of the congestion thenpresent, it enlarges, sometimes, it is said, considerably. This fact shouldbe borne in mind, as this
A treatise on the science and practice of midwifery . erus measures 1\ inches from theorifice to the fundus, rather more than half being taken up by thecervix. Its greatest breadth is opposite the insertion of the Fallopiantubes; its greatest thickness, about 11 or 12 lines, opposite the centreof its body. Its average weight is about 9 or 10 drachms. Independ-ently of pregnancy, the uterus is subject to great alterations of sizetoward the menstrual period, when, on account of the congestion thenpresent, it enlarges, sometimes, it is said, considerably. This fact shouldbe borne in mind, as this periodical swelling might be taken for an earlypregnancy. 58 ORGANS CONCERNED IN PARTURITION. Regional Divisions.—For the purpose of description the uterus is con-veniently divided into the fundus, with its rounded upper extremity,situated between the insertions of the Fallopian tubes; the body, whichis bounded above by the insertions of the Fallopian tubes and belowby the upper extremity of the cervix, and which is the part chiefly con- Fig. Uterus and Appendages in an Infant. (After Farre. cerned in the reception and growth of the ovum; and the cervix, whichprojects into the vagina, and dilates during labor to give passage to thechild. The cervix is conical in shape, measuring 11 to 12 lines trans-versely at the base, and 6 or 7 in the antero-posterior direction; whileat the apex it measures 7 to 8 transversely, and 5 projects about 4 lines into the canal of the vagina, the remainderof the cervix being placed above the reflexion of the vaginal mucousmembrane. It varies much in form in the virgin and nulliparousmarried woman and in the woman who has borne children; and thedifferences are of importance in the diagnosis of pregnancy and uterinedisease. In the virgin it is regularly pyramidal in shape. At its lowerextremity is the opening of the external os uteri, forming a small trans-verse fissure, sometimes difficult to feel, and generally describ
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectobstetrics, bookyear1
