. A laboratory manual and text-book of embryology. Embryology. 23 = UROGENITAL SYSTEM tissue and, with the spermatic vessels, constitute the spermatic cord. Owing to the descent of the testis, the ductus deferens is looped over the ureter in the abdomen (Fig. 251 C). In some cases the inguinal canals remain open so that the testis may slip back into the abdominal cavity. Such conditions may lead to inguinal hernia of the intestine. Open inguinal canals occur normally in the rabbit. THE EXTERNAL GENITALIA Indifferent Stage.—In both sexes there develops early in the midline of the ventral body w
. A laboratory manual and text-book of embryology. Embryology. 23 = UROGENITAL SYSTEM tissue and, with the spermatic vessels, constitute the spermatic cord. Owing to the descent of the testis, the ductus deferens is looped over the ureter in the abdomen (Fig. 251 C). In some cases the inguinal canals remain open so that the testis may slip back into the abdominal cavity. Such conditions may lead to inguinal hernia of the intestine. Open inguinal canals occur normally in the rabbit. THE EXTERNAL GENITALIA Indifferent Stage.—In both sexes there develops early in the midline of the ventral body wall, between the tail and umbilical cord, the cloacal tubercle (Fig. 228). Upon this appears a knob-like structure, the phallus, and the two together. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Prentiss, Charles William, 1874-1915. Philadelphia, London, W. B. Saunders
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectembryology, bookyear1