. Journal of anatomy. iderable asymmetry, extending forwards and to the left, and bulgingbackwards and to the right. The trigonal region, or base, is egg-shaped,being broader on the left side. There is a continuous ureteric ridge, notso well marked in the centre as laterally, near the ureteric orifices. Thebladder is much broader at the base than at the fundus, and I imagine,from the usual shape of bladder retractors, that this specimen aftbrds theaverage surgical conception of the form of the bladder. 366 Mr A. R. Thompson Xq 3—Male, aged 21, displacing 3| ounces of water; shows, as rathera m
. Journal of anatomy. iderable asymmetry, extending forwards and to the left, and bulgingbackwards and to the right. The trigonal region, or base, is egg-shaped,being broader on the left side. There is a continuous ureteric ridge, notso well marked in the centre as laterally, near the ureteric orifices. Thebladder is much broader at the base than at the fundus, and I imagine,from the usual shape of bladder retractors, that this specimen aftbrds theaverage surgical conception of the form of the bladder. 366 Mr A. R. Thompson Xq 3—Male, aged 21, displacing 3| ounces of water; shows, as rathera marked feature, tlie relative flattening and breadth of certain bladders. -^Q^ 4.—Female, aged 61, displacing 3^ ounces of water; shows muchmore of the bladder situated upon the left side of the middle line. Theflat surface is clearly accidental. The specimen shows a sacculus, situatedon the left side, and in the line of the left ureteric ridge. Nq 5—Young male subject, displacing 4 ounces of water. It is practi-. Fig. 1.—Group I. (Scale \ nat. size.)General references to diagrams. H., hiirizon ; U., urethral orifice ; , ureteric lidges ;, ureteric orifices ; , prostatic impression. cally symmetrical. There is a very large entrance to the urethra. Thislast feature should be associated with the marked symptoms of vesicalcalculus in young people, and the relatively frequent occurrence of passageof calculi from the bladder into the urethra in young as compared withold people. No. 6.—Age unknown, probably male, as there is a prostatic impression ;shows relative flattening and broadening of the bladder. There is muchmore of the bladder on the left than the right side. The ureteric ridgesmeet at the neck of the urethra, without the intervention of a uvula. Tlie Form of the Urinary Bladder 867 Such cases are not imconiinonl} met with during a cystoscopic examination,and present difficulties in the passage of a ureteric catheter. Apart from its asymmetry, this spec
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectanatomy, bookyear1867
