File:Foster001.jpg
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FIG. I. DIAGRAMMATIC SECTION OF AN UNINCUBATED FOWL'S EGG (modified from Allen Thomson).
bl. blastoderm, w. y. white yolk. This consists of a central flask-shaped mass and a number of layers arranged concentrically around this. y. y. yellow yolk. v. t. vitelline membrane, x. layer of more fluid albumen immediately surrounding the yolk. w. albumen consisting of alternate denser and more fluid layers, ch. I. chalaza. a. ch. airchamber at the broad end of the egg. This chamber is merely a space left between the two layers of the shell-membrane, i. s. m. internal layer of shell-membrane, s. m. external layer of shell-membrane, s. shell.
The Elements of Embryology - Volume 1 (1883)
The History of the Chick: Egg structure and incubation beginning | Summary whole incubation | First day | Second day - first half | Second day - second half | Third day | Fourth day | Fifth day | Sixth day to incubation end | Appendix
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current | 14:33, 8 January 2011 | 839 × 647 (111 KB) | S8600021 (talk | contribs) | FIG. I. DIAGRAMMATIC SECTION OF AN UNINCUBATED FOWL'S EGG (modified from Allen Thomson). bl. blastoderm, w. y. white yolk. This consists of a central flask-shaped mass and a number of layers arranged concentrically around this. y. y. yellow yolk. v. t. v |
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