. Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus. Vertebrates -- Embryology; Comparative embryology. ^ C^C^^^-^ SECONDARY >/ FOLLIC U LAR EPITHELIUM FOLLICULAR EPITHELIUM VI TELL IN E MEMBRANE YOLK. D. Fig. 92. Developing vitelline membranes of Scyllium canicula. Observe that two mem- branes are present in the young egg; later these membranes fuse into one membrane. (A) Surface area of young oocyte with a vitelline membrane and zona radiata. (B) Slightly older oocyte with the radiate zone not as prominent. (C) Older oocyte with a single, relat
. Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus. Vertebrates -- Embryology; Comparative embryology. ^ C^C^^^-^ SECONDARY >/ FOLLIC U LAR EPITHELIUM FOLLICULAR EPITHELIUM VI TELL IN E MEMBRANE YOLK. D. Fig. 92. Developing vitelline membranes of Scyllium canicula. Observe that two mem- branes are present in the young egg; later these membranes fuse into one membrane. (A) Surface area of young oocyte with a vitelline membrane and zona radiata. (B) Slightly older oocyte with the radiate zone not as prominent. (C) Older oocyte with a single, relatively thick, vitelline membrane. (D) Nearly mature oocyte with a thin vitelline membrane. (After Balfour, Plate 25, The Works of Francis Maitland Balfour, ed. by Foster and Sedgwick, London, Macmillan, 1885.) 163. 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 Nelsen, Olin E. (Olin Everett), b. 1898. New York, Blakiston
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
