. Cyclopædia of obstetrics and gynecology. his layer of tissue and in the ad-joining iiterine substance, blood-vessels, principally of the venous kind, Zeitsclirift f. Geburtsh. u. Gynakol., IX. 2 Vu-chows Archiv., Vol. XLVI., p. 335. 3 Deutsche Khnik, 1867, No. 21, p. 194. OF MYO-FIBROMATA. KJ9 and often attaining a largo size, abound. The arteries are generally smallerand are more scantily supplied. In some instances the nterine tissue imme-diately surrounding such neoplasms shows a distinctly cavernous struc-ture. From branches of these vessels the nourishment of the tumor iseffec
. Cyclopædia of obstetrics and gynecology. his layer of tissue and in the ad-joining iiterine substance, blood-vessels, principally of the venous kind, Zeitsclirift f. Geburtsh. u. Gynakol., IX. 2 Vu-chows Archiv., Vol. XLVI., p. 335. 3 Deutsche Khnik, 1867, No. 21, p. 194. OF MYO-FIBROMATA. KJ9 and often attaining a largo size, abound. The arteries are generally smallerand are more scantily supplied. In some instances the nterine tissue imme-diately surrounding such neoplasms shows a distinctly cavernous struc-ture. From branches of these vessels the nourishment of the tumor iseffected. As a general thing fibromyomata are of slow growth. Moreover itcontinues only during the period of functional activity of the sexual takes place in most cases in the direction of the least resistance to de-velopment. This leads to important variations in the seat of the tumors,variations which materially affect the well-being of the patients. Thepractical issues involved in this peculiarity will presently receive Fig. 3.—Histological Structure of a Fibroid Tumor. The dots represent cross-sections ofFibres. (Magnified 30 diameters.) Fibroids may exist singly, or, what is more common, they occur in size varies from growths not larger than a pea to tumors weighingsixty pounds or more, which fill almost the entire abdominal cavity. Theyare rarely met with in the cervix, their point of predilection being theposterior wall of the uterus. Next in point of frequency is the anteriorwall, and then the fundus. Thomas Lee observed only four cervicaltumors among seventy-four myomas, and Courty mentions twenty-one outof a whole number amounting to 131. Of greatest significance, as regards the symptoms and course, is thepoint at which the fibromyoma is dcA^eloped. Whea the morbid processbegins in the superficial, sub-peritoneal layers of the uterine tissue, the Houel, Manuel dAnatoinie Pathol., p. 596. 170 NEW GKOVVTIIS OF THE UTERUS. tumor, followin
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