. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. The same Region armed with an Apparatus for the reception and evacuation of Urine. c. Ectopia vesiccE urinarice. — The smallest degree of deformity is when the urinary blad- der remains intact, but lies in an opening in the wall of the hypogastric region. It is ecto- pia vesicee urinarice, of which a representation is given in fig. 605.; and for more details I refer to my " Tabulae ad illustrandum embryo- genesin,'' etc., Tab. xxx. Fix. Hypogastric Region of a Child, which lived six years, with ectopia i-esicc
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. The same Region armed with an Apparatus for the reception and evacuation of Urine. c. Ectopia vesiccE urinarice. — The smallest degree of deformity is when the urinary blad- der remains intact, but lies in an opening in the wall of the hypogastric region. It is ecto- pia vesicee urinarice, of which a representation is given in fig. 605.; and for more details I refer to my " Tabulae ad illustrandum embryo- genesin,'' etc., Tab. xxx. Fix. Hypogastric Region of a Child, which lived six years, with ectopia i-esiccc urinarice. a, part of the bladder lying on the surface of the ab- domen ; b, umbilical cicatrix ; c, penis; d, d, pre- puce ; Ji, urethral orifice ; f, scrotum ; g, g, testes, lying at the inguinal region. d. Inversio veslcce unlnnrite. Prolapsus vc- SICCB unnaricE inverse. — If the urachns re- mains open after birth, the urinary bladder may be expelled, and thereby inverted through it. R. Froriep(C////wg. Kupfertafeln, Heft 67. Taf. cccxl.) has given an example of this malformation. It ought to be distinguished from the inversion of the bladder through the urethra, which is possible even in adult women (Voigtel). If we take a general survey of all these cases 'of non-closure of the hypogastric region, it is evident that they are intimately connected with one another. The cloacal disposition is the highest, the ectopia of the urinary bladder the lowest, de- gree of malformation, and therefore the latter is a distinct transition towards the natural con- dition. The inversion of the urinary bladder observed by Froriep has, as to its origin, no direct relation to the other forms. It is but an accidental effect of the remaining open of the urachus, through which the bladder chanced to become inverted, and the urine flowed away through the urethra if the child was held up- right. From the gradual transition of one form into the other, I conclude that the origin of this malfor
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