. Elements of the comparative anatomy of vertebrates. Anatomy, Comparative. Fifi 278a.—Diagram of the Primitive Condition of the Kidney in an Elasmobkanoh Embryo. {After Balfour.) pd, pronephric duct: it opens at o into the body-cavity, and its other extremity communicates with the cloaca ; x, line along which the division appears which separates the pronephric duct into the Wolffian duct above, and the Miillerian duct below ; , nephridial tubes : they open at one end in the body-cavity, and at the other into the Wolffian duct. Fir,. 278b.—Diagram of the Arrangement of the Urinogenital
. Elements of the comparative anatomy of vertebrates. Anatomy, Comparative. Fifi 278a.—Diagram of the Primitive Condition of the Kidney in an Elasmobkanoh Embryo. {After Balfour.) pd, pronephric duct: it opens at o into the body-cavity, and its other extremity communicates with the cloaca ; x, line along which the division appears which separates the pronephric duct into the Wolffian duct above, and the Miillerian duct below ; , nephridial tubes : they open at one end in the body-cavity, and at the other into the Wolffian duct. Fir,. 278b.—Diagram of the Arrangement of the Urinogenital Organs in an Adult Female Elasmobranch. (After Balfour.) , MuUerian duct; , Wolffian duct; d, urinary duct; , nephridial tubes : five of them are represented with openings into the body-cavitj-: the posterior nephridial tubes form the functional kidney ; ov, ovary. 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 Wiedersheim, Robert, 1848-1923; Parker, William Newton, 1857-1923. London, Macmillan
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanatomycomparative
