. A laboratory manual and text-book of embryology. Embryology. Fig. 2.âDiagrammatic longitudinal section of an un- incubated hen's egg (after Allen Thomson, in Heisler). (Somewhat altered): , germinal area; , white yolk, which consists of a central flask-shaped mass, and a num- ber of concentric layers surrounding the yellow yolk (); i1.', vitelline membrane; X, a somewhat fluid al- buminous layer which immediately envelops the yolk; w, albumen, composed of alternating layers of more and less fluid portions; , chalaza:; , air-chamber at the blunt end of the eggâsimply a space
. A laboratory manual and text-book of embryology. Embryology. Fig. 2.âDiagrammatic longitudinal section of an un- incubated hen's egg (after Allen Thomson, in Heisler). (Somewhat altered): , germinal area; , white yolk, which consists of a central flask-shaped mass, and a num- ber of concentric layers surrounding the yellow yolk (); i1.', vitelline membrane; X, a somewhat fluid al- buminous layer which immediately envelops the yolk; w, albumen, composed of alternating layers of more and less fluid portions; , chalaza:; , air-chamber at the blunt end of the eggâsimply a space between the two layers of the shell-membrane; , inner, , outer layer of the shell-membrane; s, Fig. 3.âSection of human ovary, including cortex; a, germinal epithel- ium of free surface; 6, tunica albugi- nea; c, peripheral stroma containing immature Graafian follicles (d); e, well-advanced follicle from whose wall membrana granulosa has partially separated; /, cavity of liquor folli- culi; g, ovum surrounded by cell-mass constituting cumulus oophorus (Pier- sol). M â Ktfm 1M,. 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 Prentiss, Charles William, 1874-1915. Philadelphia, London, W. B. Saunders
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectembryology, bookyear1
