. Animal biology. Zoology; Biology. \^ v^ ^^£7 "^^yy "^^^ M^N /—\ / \ / \ / \ / \ I ancpl so on for oi large nurnber q-F cell divisions T\//^ (^ny one oocjoniuni Growth period Maturation period Secondary oocyte Matured egg cell. ?Synapsis Primary oocyte Meiot/c division \ V^ First polar body ® m Polar bodies ^Second polar '?^ody ? '-Yolk accumulated in the egg cell Fig. 42.—Diagram illustrating oogenesis, the ohromosome number being the same as in Fig. 41. cytoplasm is formed the tail, and between the head and tail, connecting one to the other, is a middle piece which contains the ce
. Animal biology. Zoology; Biology. \^ v^ ^^£7 "^^yy "^^^ M^N /—\ / \ / \ / \ / \ I ancpl so on for oi large nurnber q-F cell divisions T\//^ (^ny one oocjoniuni Growth period Maturation period Secondary oocyte Matured egg cell. ?Synapsis Primary oocyte Meiot/c division \ V^ First polar body ® m Polar bodies ^Second polar '?^ody ? '-Yolk accumulated in the egg cell Fig. 42.—Diagram illustrating oogenesis, the ohromosome number being the same as in Fig. 41. cytoplasm is formed the tail, and between the head and tail, connecting one to the other, is a middle piece which contains the centrioles. This tail, by rapid vibrating movements, can propel the sperm cell through a hquid medium at a relatively high rate 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 Wolcott, Robert Henry, 1868-1934. New York ; London : McGraw-Hill Book Company, Inc.
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Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology
