...In many cases the apparent tumor is a blighted ovum which has failed todevelop, but has grafted itself on its more fortunate twin and from it hasdrawn its nourishment... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...29425-29426, the size of the ovum (8 mm...
Emil K. Urban 「Birds from Coahuila, Mexico」
...The size of the largest ovum (2 mm...
Emil K. Urban 「Birds from Coahuila, Mexico」
...32140, 31547, and 31546, respectively, and the size of the largest ovum (2...
Emil K. Urban 「Birds from Coahuila, Mexico」
...
Polyspermism: the penetration of more than one sperm-cell into the ovum...
Ernst Haeckel 「The Evolution of Man」
...He showed convincingly that the development of every organismconsists of a series of new formations, and that there is no tracewhatever of the complete form either in the ovum or the spermatozoon...
Ernst Haeckel 「The Evolution of Man」
...This particle is formed in the ovary inside amuch largerglobule, which takes the name of the Graafian follicle, from its discoverer,Graaf, and had previously been regarded as the true ovum...
Ernst Haeckel 「The Evolution of Man」
...Theearlier investigations in this province were chiefly directed to the discovery,by careful observation, of the wonderful facts of the embryonic development ofthe animal body from the ovum...
Ernst Haeckel 「The Evolution of Man」
...Up to that timethe larger vesicles, in which the real and much smaller ovum is contained, hadbeen wrongly regarded as ova...
Ernst Haeckel 「The Evolution of Man」
...The ovum stands potentially for the entireorganism—in other words, it has the faculty of building up out of itselfthe whole multicellular body...
Ernst Haeckel 「The Evolution of Man」
...)C1–C5 show the ovum of the cat in various stages of movement (from Pflüger); Fig...
Ernst Haeckel 「The Evolution of Man」
...D the ovum of a trout; E the ovum of achicken; F a human ovum...
Ernst Haeckel 「The Evolution of Man」
...The ovum then consists of as many cells as there are nuclei inthe tread...
Ernst Haeckel 「The Evolution of Man」
...This is traversed by numbers of lines as fine ashairs, which are directed radially towards the centre of the ovum...
Ernst Haeckel 「The Evolution of Man」
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