. Clinical gyncology, medical and surgical. Atresia of the vaginal orifice; htematocolpos and hccmatometra.—v, vagina; ou, internal os. menstrual fluid is dammed up, first distending the vaginal canal above thepoint of atresia, then dilating the uterine cavity, and affecting also thetubes. This condition, however, is much more amenable to operative treat-ment than is a ease of entire absence of the vagina. Atresia of the vaginamay result if the depression at the vestibule fails to effect a union with thevaginal canal. The two passage-ways impinge upon each other, but thebarrier between them fa
. Clinical gyncology, medical and surgical. Atresia of the vaginal orifice; htematocolpos and hccmatometra.—v, vagina; ou, internal os. menstrual fluid is dammed up, first distending the vaginal canal above thepoint of atresia, then dilating the uterine cavity, and affecting also thetubes. This condition, however, is much more amenable to operative treat-ment than is a ease of entire absence of the vagina. Atresia of the vaginamay result if the depression at the vestibule fails to effect a union with thevaginal canal. The two passage-ways impinge upon each other, but thebarrier between them fails to melt away as it should normally. In sucha case the vestibule is usually much deeper than common, but the accumu-lated fluid behind the barrier which prevents its escape is within easy reach 238 ANOMALIES OF DEVELOPMENT IN THE GENITAL TRACT. and its evacuation is attended with no special difficulties. After making afree opening or, if necessary, a dissection upward to reach the vaginal canal, Fig. 24. Fig.
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