. Biology of the laboratory mouse. Mice as laboratory animals; Mice; Animals, Laboratory; Mice. 148 BIOLOGY OF THE LABORATORY MOUSE uterine musculature. Where the horns unite externally the mesometria join and end on the dorsal wall of the corpus. The Ovary.—The ovaries are paired glands in which the female sex cells, the ova, develop. The free surface of the ovary is envolved in a thin transparent membrane, the ovarian capsule, which encloses the periovarian per. col. tub. BUS m. of cap. inf. of m. inf. ist. lig. o. pr. Fig. 76.—Reconstruction of the ovary, oviduct and part of the
. Biology of the laboratory mouse. Mice as laboratory animals; Mice; Animals, Laboratory; Mice. 148 BIOLOGY OF THE LABORATORY MOUSE uterine musculature. Where the horns unite externally the mesometria join and end on the dorsal wall of the corpus. The Ovary.—The ovaries are paired glands in which the female sex cells, the ova, develop. The free surface of the ovary is envolved in a thin transparent membrane, the ovarian capsule, which encloses the periovarian per. col. tub. BUS m. of cap. inf. of m. inf. ist. lig. o. pr. Fig. 76.—Reconstruction of the ovary, oviduct and part of the uterine horn. {After Drawn.) o. v., ovarian vein; o. art., ovarian artery; per. sp., periovarian space; cap., capsule; amp., ampulla; u. v., uterine vein; u. art., uterine artery; col. tub., colliculus tubarius; u. h., uterine horn; lig. o. pr., ligamentum ovarii proprium; ist., isthmus; inf., infundibulum; inf. of m., infundibulum-ovarial fold of muscular meso- tubarium; m. of cap., musculature of ovarian capsule; h., hilus of ovary; Hg. o. sus., ligamentum ovarii suspensory. space. The ovarian capsule consists of a thin membrane of connective tissue covered on both surfaces by mesothelium. Small, blindly ending vestigial tubules of the Wolffian body, the epoophoron, may be present in or near the mesovarium. These are lined by cuboidal, often ciliated, epithe- lium and are surrounded by a thin circular smooth muscle wall. A cross section of the ovary of an adult mouse (Fig. 76) shows an inner zone, the medulla (or zona vasculosa), and a surrounding outer zone, the cortex. Blood vessels enter and leave the organ at the hilus. They con-. 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 Roscoe B. Jackson Memorial Laboratory; Little, Clarence C. (Clarence Cook), b. 1888; Snell, George D. (George Davis), 190
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