Un traité sur la science et la pratique de sage-femme thispart . probabilité à des voies générative. Dans l'intérieur de l'utérus, à la fois sur les crêtes de la muqueuse et entre leurs plis,sont un très grand nombre de follicules muqueux, composé d'une structure-membrane moins bordée d'épithélium cylindrique, et intimatelyunited avec le tissu conjonctif. Elles cessent à l'orificeof externe de l'utérus, et ils sécrètent de l'épais, tenace, et qui alkalinemucus est généralement trouvé remplissant la cavité de l'utérus. Thetransparent follicules, connu sous le nom de l'ovulation qui Nabothii quelques arc-tim

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A treatise on the science and practice of midwifery . ility to thispart of the generative tract. All over the interior of the cervix, both on the ridges of the mucous membrane and between their folds, are a very large number of mucous follicles, consisting of a structure-less membrane lined with cylindrical epithelium, and intimatelyunited with the connective tissue. They cease at the external orificeof the cervix, and they secrete the thick, tenacious, and alkalinemucus which is generally found filling the cervical cavity. Thetransparent follicles, known as the ovula Nabothii which arc some-times found in considerable numbers in the cavity of the cervix, con-sist of mucous follicles the mouths of which have become obstructed, and their canals distended by mucous secretion. The lower third 56 ORGANS CONCERNED IN PARTURITION. of the cervical canal, as well as the exterior of the cervix, are coveredwith pavement epithelium; while on its upper portion is found acolumnar and ciliated epithelium similar to that lining the uterinecavity. Fig. 25.. Villi of uterus, covered with. Pavement Epithelium, and containing Looped Vessels. (After Tyler Smith and Hassall.) Vessels of the Uterus.—The arteries of the uterus are derived fromthe internal iliac, and from the ovarian. They enter the uterus be-tween the folds of the broad ligaments, and, penetrating its muscularcoat, anastomose freely with each other and with the correspondingvessels of the opposite side. Their walls are thick and well-devel-oped, and they are remarkable for their very tortuous course, formingspiral curves, especially in the upper part of the uterus. They endin minute capillaries which form the fine meshes surrounding theglands, and in the cervix, give off the loops entering the papillae.Beneath the uterine mucous membrane these capillaries form a plexus, terminating in veins without valves, which unite with each other toform the large veins traversing the substance of the uterus, knownduring pregnancy as the

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