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Updated: June 10, 2025
Their new theory is only a slight modification of an old one, or the old adage, omne vivum ex ovo all life is from an egg. For they assert that every living thing primordially proceeds from an ovule in protoplasm, the essential part of the protoplasmic egg, so to speak, being this little ovum or cellule, from which have issued all possible organisms in both the vegetable and animal kingdoms.
It is a very simple little seedlet indeed. But after a while its little embryo begins to form and its seed-leaves to develop. When the ovule has developed in this way we call it a seed. It remains attached to the ovary, receiving nourishment from the sap until it is quite ripe. As the seed forms in its little pod, its thick sturdy seed-leaves become larger and fuller.
Other parents prefer to use only botanical terms, leaving the extension of the thought to later consideration or to the child's own logic, for children often reason out all the facts in a very general way, of course from only this botanical study. But we are not yet done with the pollen. It not only assists the ovule to develop, but it impresses upon it its own characteristics.
So it simply sends down the long tube, which grows fast, pushing along through the style, whose tissues are rather loose, and carrying with it the only valuable part of the pollen grain, its living protoplasm. No ovule can possibly grow into a grain without this tiny bit of pollen.
The male and female sexual elements seem to be affected before that union takes place which is to form a new being. In the case of "sporting" plants, the bud, which in its earliest condition does not apparently differ essentially from an ovule, is alone affected. But why, because the reproductive system is disturbed, this or that part should vary more or less, we are profoundly ignorant.
Ovibos moschatus, horns of. Ovipositor of insects. Ovis cycloceros, mode of fighting of. Ovule of man.
Dorsiventrality is also clearly derived from radial construction, and anatropy of the ovule has followed atropy. We should expect the albuminous state of the seed to be an antecedent one to the exalbuminous condition, and the recent discoveries in fertilization tend to confirm this view.
Before we can understand the care of anything we must have some knowledge of its structure; so I think it well, in this our first talk, that we should learn something of the structure of the female generative organs. As I have told some of you in former talks, the womb is designed as a nest for the babe during its process of development from the egg or ovule.
Sexual reproduction is quite a distinct matter. Here, in all these cases, what is required is the detachment of two portions of the parental organisms, which portions we know as the egg and the spermatozoon. In plants it is the ovule and the pollen-grain, as in the flowering plants, or the ovule and the antherozooid, as in the flowerless.
When it reaches the womb the ovule is ready for the process of conception that is, fertilization by the male sperm. At the time the ovule is ripening, the womb is preparing to receive it. This preparation consists of a reinforced blood supply brought to its lining. If fertilization takes place, the fertilized ovule or ovum will cling to the lining of the womb and there gather its nourishment.
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