. A system of midwifery, including the diseases of pregnancy and the puerperal state. the limited sense which is impliedby the French accouchement, and the German Geburtshiilfe. It signifies,therefore, that Science and Art, which has for its object the manage-ment of woman and her offspring during Pregnancy, Labor, and thePuerperal State. CHAPTER II. THE PELVIS. OS INNOMINATUM : SACRUM: COCCYX—THE PELVIS AS A WHOLE: TRUE7 ANDFALSE—DIFFERENCE BETWEEN MALE AND FEMALE PELVIS: AT BRIM; IN cavity; and at outlet—PELVIC articulations: (a) PELVI-LUMBAR ; (b) SACRO-COCCYGEAL ; (c) SACRO-ILIAC ; (d) SYM
. A system of midwifery, including the diseases of pregnancy and the puerperal state. the limited sense which is impliedby the French accouchement, and the German Geburtshiilfe. It signifies,therefore, that Science and Art, which has for its object the manage-ment of woman and her offspring during Pregnancy, Labor, and thePuerperal State. CHAPTER II. THE PELVIS. OS INNOMINATUM : SACRUM: COCCYX—THE PELVIS AS A WHOLE: TRUE7 ANDFALSE—DIFFERENCE BETWEEN MALE AND FEMALE PELVIS: AT BRIM; IN cavity; and at outlet—PELVIC articulations: (a) PELVI-LUMBAR ; (b) SACRO-COCCYGEAL ; (c) SACRO-ILIAC ; (d) SYMPHYSIS PUBIS ; (e) OBTURATORLIGAMENTS; (/) SACRO-SCIATIC LIGAMENTS—INCLINATION OF PELVIS—AXISOF THE TRUE PELVIS—BRIM OR INLET—CAVITY—OUTLET—PEL VTC DIAM-ETERS—PELVIC ANGLES DEVELOPMENT OF PELVIS CERTAIN SOFT PARTS CONNECTED WITH PELVIS; OBTURATOR INTERNUS AND PYRIFORMIS MUSCLES; FLOOR OF PELVIS. The Pelvis, as has already been observed, is composed in Man, asin almost all the other Mammalia, of three parts : 1st, an os innomina- 3 34 THE PELVIS. [CHAP. Fig. External surface of right os innominatum. turn, formed by the union of three principal pieces, the ilium, ischium,and pubis, and some other epiphysial parts, the complete fusion ofwhich into one mass is only complete about the twentieth year; 2d,the sacrum ; and 3d, the coccyx. The Os Innominatum on its externalsurface exhibits the remarkable ex-pansion of the ilium which constitutesone of the distinguishing features ofthe human race. This large surfaceserves to give attachment to the pow-erful glutei muscles. Its superiormargin is called the crest of the ilium ;the projections at 1 and 2 the ante-rior, and those at 3 and 4 the poste-rior spinous processes. The acetabu-lum, a deep cavity for the reception ofthe thigh-bone, also called the coty-loid cavity, with its synovial depres-sion and pit for the reception of theround ligament, is shown in the cen-tre of the figure. 5 marks the pecti-neal or ilio
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectobstetrics, bookyear1
