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"Female organs of domestic fowl, in activity; from Owen, after Carus. a, b, c, d, mass of ovarian ova, in all stages of development; b, a ripe one; c, its stigma, where the ovisac or calyx ruptures; d, a ruptured empty calyx, to be absorbed; e, infundibulum, or funnel-shaped orifice of the oviduct; f, next portion of oviduct; g, follicular art of oviduct; m, mesometry, membrane steadying the oviduct; the reference line, m, crosses the constricted part or isthmus of the oviduct; these parts secrete the white of the egg; k, shell-forming or uterine part of oviduct, in which is a completed egg, i; l, lowest or vaginal part of oviduct, opening into uro-genital sinus of the cloaca; n, anus." Elliot Coues, 1884

Female Fowl Organs

"Female organs of domestic fowl, in activity; from Owen, after Carus. a, b, c, d, mass of ovarian ova,…

"Section through ovary of a young Mammal. The eggs (o) are seen to be formed from the epithelium. c, connective tissue of ovary; e, epithelium; f, follicle of epithelial cells in which the ova ripen; o, ova in different stages of ripeness." — Galloway

Ovary

"Section through ovary of a young Mammal. The eggs (o) are seen to be formed from the epithelium. c,…

"Two female sporosacs (degenerate medusae) of Hydraetinia echinata. a, ectoderm; b, endoderm; o, eggcella; g, entric cavity. In A an invagination of the ectoderm, which is more complete in B, represents the rudiment of the sub-umbrella space." — Encyclopedia Britannica, 1893

Sporosac

"Two female sporosacs (degenerate medusae) of Hydraetinia echinata. a, ectoderm; b, endoderm; o, eggcella;…

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric cavity and its continuations; the lighter shading represents the genital products (ova or sperm). Medualform person still attached by a stalk at the aboral pole to a colony." — Encyclopedia Britannica, 1893

Sporosae

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric…

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric cavity and its continuations; the lighter shading represents the genital products (ova or sperm). Modified medusiform person, with margin of the disc (umbrella) united above and importforato (mouthless) manubrium." — Encyclopedia Britannica, 1893

Sporosae

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric…

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric cavity and its continuations; the lighter shading represents the genital products (ova or sperm). Sporosac, with imcomplete extension of the enteric cavity into the umbrella,-rudimentary invagination above to form the sub-umbrella cavity." — Encyclopedia Britannica, 1893

Sporosae

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric…

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric cavity and its continuations; the lighter shading represents the genital products (ova or sperm). Sporosac with manubrial portion only of the enteric cavity." — Encyclopedia Britannica, 1893

Sporosae

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric…

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric cavity and its continuations; the lighter shading represents the genital products (ova or sperm). Sporosac without any trace of manubrium." — Encyclopedia Britannica, 1893

Sporosae

"Gradual degeneration of the medusa bud into the form of a sporosae. The black represents the enteric…