File:Keibel Mall 2 244.jpg

Fig. 244. Median sagittal sections to show the separation of the rectum from the urogenital sinus

A, embryo of 18.1 mm. (Harvard Collection, Series 1129), X30 diam.;

B, embryo of 22 mm. (Harvard Collection, Series Sol), X25 diam.;

C, embryo of 32 mm. (Harvard Collection. Series 292), X 12 diam.

Am. rec, ampulla recti; -4/).. anus; Mem. an., membrana analis; Mem. u.-g., membrana urogenitals; Muse., tunica muscularis (including inner circular and outer longitudinal layers); Or. u.-g., orificium urogenitale; Per., perineum; Pr., proctodeum; Rec., rectum; Sph. ex., M. sphincter ani externus; Sph, int., M. sphincter ani internus; S. u.-g., sinus urogenitalis; x, terminal bulbous enlargement of the rectum.

Early Tract Development: Fig 223 | Fig 224 | Fig 225 | Fig 226 | Fig 227 | Fig 228 | Fig 229 | Fig 230 | Fig 231 | Fig 232 | Fig 233 | Fig 234 | Fig 235 | Fig 236 | Fig 237 | Fig 238 | Fig 239 | Fig 240 | Fig 241 | Fig 242 | Fig 243 | Fig 244 | Fig 245 | Fig 246 | Fig 247 | All Figures

Embryology - 27 Apr 2024        Expand to Translate
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Grosser O. Lewis FT. and McMurrich JP. The Development of the Digestive Tract and of the Organs of Respiration. (1912) chapter 17, vol. 2, in Keibel F. and Mall FP. Manual of Human Embryology II. (1912) J. B. Lippincott Company, Philadelphia.

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