. The development of the albino rat, Mus norvegicus albinus. Embryology -- Mammals; Rats. 32 G. CARL HUBER in figure 15, two views of each model being shown. Five of the models, A to E, show 8-cell stages. In F, there is figured an 11-cell stage, three of the cells having completed the next following division. As may be seen from the figures, the form of these morula masses is not spherical but in the main slightly oval, with further irregularities better shown in the models than in the illustrations, due to the fact that the egg masses con- form to the shape of the lumen of the oviduct in the


. The development of the albino rat, Mus norvegicus albinus. Embryology -- Mammals; Rats. 32 G. CARL HUBER in figure 15, two views of each model being shown. Five of the models, A to E, show 8-cell stages. In F, there is figured an 11-cell stage, three of the cells having completed the next following division. As may be seen from the figures, the form of these morula masses is not spherical but in the main slightly oval, with further irregularities better shown in the models than in the illustrations, due to the fact that the egg masses con- form to the shape of the lumen of the oviduct in the region in which they are found. The mucosa lining the segment of this .^?^ /i. -!h ^ {f. Fig. 15 Models, obtained liy reconstruction after tlie Born method, of 8- cell and 11-cell stages of the albino rat. Rat No. 57, 3 days, 17 hours. X 200. Two views of each model is presented. A-A', to E, E' are of models of 8-cell stages; F and F' of a model of a 11-cell stage. oviduct containing the ova presents four quite regular longitudi- nal folds. In figure 16, there is presented a model of a detailed reconstruction of the segment of the oviduct containing the ova, their relative position in the tube and their relation to the major folds is clearly shown. One of these folds it was necessary to in part remove so as to bring to view in the drawing certain of the ova. In figure 17, there is reproduced a portion of one of the sections of the series from which the model shown in figure 16 was made. The fold of the mucosa occupying the center. 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 Huber, Gotthelf Carl, 1865-. Philadelphia, Pa


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Keywords: ., book, bookleafnumber38, bookpublisherphiladelphiapa, bookyear1915