. A system of midwifery, including the diseases of pregnancy and the puerperal state. y by the mucous membrane, and embraced on the outside by thefibres of the constrictor vaginse muscle. A small plexus—the parsintermedia of Kobelt—has direct vascular connection with the erectile tissues receive their blood from the internal pudicarteries. The Vagina is a membranous and highly dilatable tube, which servesto connect the vulva with the uterus. It is situated in the true pelvis,between the bladder and rectum anteriorly and posteriorly, and thelevatores ani muscles at the sides. Its ax
. A system of midwifery, including the diseases of pregnancy and the puerperal state. y by the mucous membrane, and embraced on the outside by thefibres of the constrictor vaginse muscle. A small plexus—the parsintermedia of Kobelt—has direct vascular connection with the erectile tissues receive their blood from the internal pudicarteries. The Vagina is a membranous and highly dilatable tube, which servesto connect the vulva with the uterus. It is situated in the true pelvis,between the bladder and rectum anteriorly and posteriorly, and thelevatores ani muscles at the sides. Its axis is a curve, which corre- III.] THE VAGINA. 51 sponds in some degree to that of the pelvis; and, in consequence, itsanterior is shorter than its posterior wall, the former being about four,and the latter five or six inches in length. It is narrowest at the vulva,where it is embraced by the constrictor vaginae muscle, and widest atits middle part, where it is extended transversely, owing to its beingcompressed by the organs before and behind. The thickest part of the Fig. External organs, partially dissected. (Kobelt.) tube is its anterior wall, where it is intimately connected with thebladder, and with the urethra, which is, as it were, imbedded in connection with the levatores ani muscles and the rectum is muchlooser, which admits of easy dilatation, and which also accounts for thefact that the rectum is rarely dragged down in uterine displacements,while the bladder is, from its closer connection, almost invariablyaltered in its relations. In the upper part of its posterior surface, it isseparated from the rectum by a double fold of serous membrane, whichforms a pouch of the peritoneal cavity. The external surface of the vagina is composed mainly of denseareolar tissue, beneath which there are two indistinct layers of muscu-lar fibres of the unstriped variety, the external being disposed longi-tudinally, while the internal are circular in their direction. Aro
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectobstetrics, bookyear1
