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The fertilized egg of any animal consists of a single cell, a little mass of protoplasm containing a nucleus and surrounded by a structureless membrane. The egg is globular. The nucleus undergoes certain very peculiar, still but little understood, changes and divides into two. The protoplasm also soon divides into two masses clustering each around its own nucleus.
Here it remains if it is impregnated or fertilized, and develops into the babe. If not impregnated, it passes off with the menstrual flow. Every twenty-eight days large quantities of blood are sent to the womb, producing a natural congestion. The pressure of this extra blood in the tiny capillaries of the womb stretches and weakens their walls.
Through my tears I could see the bucket hanging on his elbow and the good seed flying far and wide from his great hand. When he finished the field, plowed and harrowed and fertilized by war, had been sowed for all time. The spring's work was done and well done." At a quarter of ten the Doctor rose and said: "We're keeping Abe from his sleep and wearing the night away with philosophy.
Love is a contention, and there are animal species in which the male maltreats the female in his union with her, and other in which the female devours the male after being fertilized by him.
He had already reached the last bend of the path he had followed down the ravine, and he saw at his feet the long narrow valley and the gleaming waters of the stream, which here fertilized the soil of the desert.
Because the egg is thus encased it is necessary for it to be fertilized before being laid. Accordingly the male must place the sperm cells within the body of the female. These cells swim nearly to the top of the tubes in which they are placed, and there fertilize the descending eggs.
What we are sure of, what has already been experimented upon, and recognized as practical, would suffice to carry it into effect, if the attempt were fertilized, vivified by the daring inspiration of the Revolution and the spontaneous impulse of the masses. Thomas Nelson and Sons in their popular series in 1912.
The fibre of the Mexican cotton is longer, and not so soft as the American product; but the cotton raised in some parts of the republic has this remarkable property, that for several consecutive seasons the plant continues to bear profitable crops, while in our Southern States the soil must not only be fertilized, but the seed must also be renewed annually.
The Development of Form The Determination of Sex Twins The Rate of Growth The Newborn Infant Heredity Maternal Impressions. The new human being begins existence, as I have shown, as soon as the ovum is fertilized, though at that moment it consists merely of a solitary cell formed by the union of the two parental cells.
It is traversed by a number of streams, as the Haroot-rud, the river of Furrah, the river of Khash, the Helmend, and others, and is very productive along their banks, which are fertilized by annual inundations; but the country between the streams is for the most part an arid desert.
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