Antherozoid Sentence Examples

antherozoid
  • In such a case the zoogamete is male, is called an antherozoid or spermatozoid, and arises in an antheridium; the larger gamete is an oosphere and arises in an oogonium.

    0
    0
  • That the antherozoid of Vaucheria contains a single nucleus had been inferred before.

    0
    0
  • There is usually distinguishable upon the surface of the oosphere an area free from chlorophyll, known as the receptive spot, at which the fusion with the antherozoid takes place; and in many cases, before fertilization, a small mucilaginous mass has been observed to separate itself off from the oosphere at this point and to escape through the pore.

    0
    0
  • The antherozoid is a spirally-coiled thread of protoplasm, furnished at one end with a pair of cilia.

    0
    0
  • Suddenly the attraction ceases, and the oosphere is fertilized, probably at that moment, by the entry of a single antherozoid into the substance of the oosphere; a cell-wall is formed thereupon, in some cases in so short an interval as five minutes.

    0
    0
  • The doubling process is provided by the act of fertilization, where an antherozoid with the single number of chromosomes fuses with an oosphere also with the single number to provide a fertilized egg with the double number.

    0
    0