. Chemical embryology. Embryology. PLATE XII. YOLK OF HEN'S EGG AT THE SECOND DAY OF INCUBATION Microphotographed by Dr V. Marza through crossed Nicol prisms (31°). The doubly-refracting esters of cholesterol are seen to be localised at the periphery of the vitelline globules. Magnification 8 x 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 Needham, Joseph, 1900-. New York: The MacMillan Co.

---

Size: 1448px × 1725px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookpublishernewyorkthem, booksubjectembryology