. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. 09 PHYSIOLOGY OF THE DOMESTIC ANIMALS. portions of the egg through secretions from the walls of the oviduct. Thus, the layer of albumen surrounding the yelk is first deposited in the passage of the ovum through the second, tubular portion of the oviduct, the chalazse (see Fig. 9), or twisted, denser portions of the albumen, being due to the rotatory motion of the egg against the spiral ridges of the oviduct. The shell-membrane is formed by the organiza- tion of the most external layers of albumen, and the
. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. 09 PHYSIOLOGY OF THE DOMESTIC ANIMALS. portions of the egg through secretions from the walls of the oviduct. Thus, the layer of albumen surrounding the yelk is first deposited in the passage of the ovum through the second, tubular portion of the oviduct, the chalazse (see Fig. 9), or twisted, denser portions of the albumen, being due to the rotatory motion of the egg against the spiral ridges of the oviduct. The shell-membrane is formed by the organiza- tion of the most external layers of albumen, and the shell is formed in the third portion of the oviduct, or the uterus. The walls of this portion of the tube secrete a viscid fluid which surrounds the egg, and in which inorganic particles are deposited. The egg remains in the uterus for from twelve to eighteen hours, and is then expelled through the cloaca, narrow end downward, by its muscular 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 Smith, Robert Meade, 1854-. Chicago, A. Eger
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