. Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus. Vertebrates -- Embryology; Comparative embryology. GERMINAL VESICLE OOPLASMIC MEMBRANE PERI VITELLINE SPACE ZONA PE LLUCIDA FO LLICU LAR EPITHE LIUM THE C A INTER N A THECA EXTERNA Fig. 46. Diagrammatic representation of the egg of the prototherian mammal. Echidna. GERMINAL VESICLI NUCLEUS OF PAN DE R. N IC A ALBUGIN E A THECA EXTERNA THECA INTERNA GRANULOSA LAYER ZONA RADIATA CLEAR CYT OPLASM YOLK SPHERE Fig. 47. Diagrammatic drawings of the pendent egg follicle in the ovary of the hen. (A) Low m
. Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus. Vertebrates -- Embryology; Comparative embryology. GERMINAL VESICLE OOPLASMIC MEMBRANE PERI VITELLINE SPACE ZONA PE LLUCIDA FO LLICU LAR EPITHE LIUM THE C A INTER N A THECA EXTERNA Fig. 46. Diagrammatic representation of the egg of the prototherian mammal. Echidna. GERMINAL VESICLI NUCLEUS OF PAN DE R. N IC A ALBUGIN E A THECA EXTERNA THECA INTERNA GRANULOSA LAYER ZONA RADIATA CLEAR CYT OPLASM YOLK SPHERE Fig. 47. Diagrammatic drawings of the pendent egg follicle in the ovary of the hen. (A) Low magnification of the entire egg follicle. (B) More detailed view of the blasto- disc portion of the egg, nearing maturity, in relation to the pedicle. The latter supports the follicle and permits the blood vessels to pass into and out of the follicle. Compiled from sections of the developing ovary of the hen. process in higher mammals, especially the rabbit. Among other vertebrates ovulation in the hen and frog have been the objects of considerable study. a. Process of Ovulation in Higher Mammals 1) Changing Tissue Conditions Culminating in Egg Discharge from the Ovary. As the Graafian follicle enlarges and matures under the influence of. 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
Size: 1907px × 1310px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
