archegonium造句(1) The archegonium is generally reduced in nature.
(2) For example, the archegonium ( female organ ) of the moss Funaria secretes sucrose.
(3) During the foam stage of archegonium, the wall between the jacket cells and the central cells became fairly thick and the plasmodesmata present at the thinner area.
(4) Since the sperm must swim to the archegonium, fertilisation cannot occur without water.
(5) Venter The swollen base of an archegonium that contains the egg cell ( oosphere ).
(6) The prothallium has no trichome but thick midvein, large antherid and archegonium. However, O.
(7) In present paper, the morphology and development of the archegonium and antheridium of the fern Osmunda cinnamomea L.
(8) The minute, rudimentary plant contained within a seed or an archegonium.
(9) In this species, the first division of zygote produces two equal hemispheric cells by the first partition wall at the right angles to the axis of the archegonium.
(10) It may be made up of one cell, or one or many layers of cells. It produces gametes that are usually motile. Compare archegonium .