...Sometimes a monstrosity is owing to the inclosure of one ovum in anotherwhile the latter is still but a soft mass of cells and can easily close around thefirst... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Theovary (a) is shown cut across, and the two halves are laid open to showthe position of the discharged ovum at a'...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...32073-32077, the size of the largest ovum (6...
Emil K. Urban 「Birds from Coahuila, Mexico」
...31536, 31537, 32605, and 32604, respectively, and the size of the largest ovum (2 mm...
Emil K. Urban 「Birds from Coahuila, Mexico」
...32138, the size of the largest ovum (2 mm...
Emil K. Urban 「Birds from Coahuila, Mexico」
...Deutoplasm: the yolk or food plasm of an ovum...
John. B. Smith 「Explanation of Terms Used in Entomology」
...To give a few examples, we can infer from the fact that thehuman ovum is a simple cell that the first ancestor of our specieswas a tiny unicellular being, something like the amœba...
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」
...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 important circumstance that this mammal ovumis a simple cell, like the ovum of other animals, could not, of course, berecognised until the cell theory was established...
Ernst Haeckel 「The Evolution of Man」
...9), we have our ovum (Figs...
Ernst Haeckel 「The Evolution of Man」
...Here comparative research yields the important result thatevery ovum is at first a simple cell...
Ernst Haeckel 「The Evolution of Man」
...In the beginning each ovum isa very simple, roundish, naked, mobile cell, without a membrane; it consistsmerely of a particle of cytoplasm enclosing a nucleus (Fig...
Ernst Haeckel 「The Evolution of Man」
...In the ovum this is called thegerminal spot...
Ernst Haeckel 「The Evolution of Man」
...13 E) this ovum also is very like that of the mammal (Fig...
Ernst Haeckel 「The Evolution of Man」
...B1–B8 are the ovum of a parasitic crab (Chondracanthuscornutus), in eight successive movements...
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」
...As the large yellow ovum of the birdattains a diameter of several inches in the bigger birds, and encloses roundyelk-particles, there was formerly a reluctance to consider it as a simplecell...
Ernst Haeckel 「The Evolution of Man」
...So the ovum remains asimple cell, however much yellow yelk it afterwards accumulates within itsprotoplasm...
Ernst Haeckel 「The Evolution of Man」
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slap discoverable hallmark
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