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  • Thumbnail for Antheridium
    of sterile cells and spermatogenous tissue. The sterile cells may form a central support structure or surround the spermatogenous tissue as a protective...
    4 KB (404 words) - 05:59, 3 January 2023
  • Thumbnail for Sperm
    bridge the gap between male and female. Each pollen grain contains a spermatogenous (generative) cell. Once the pollen lands on the stigma of a receptive...
    30 KB (3,401 words) - 06:05, 28 May 2024
  • Thumbnail for Onoclea sensibilis
    pale reddish color. The spermatogenesis process spans formation of spermatogenous cells to the release of spore. In homosporous ferns, like O. sensibilis...
    31 KB (2,865 words) - 00:31, 4 December 2023
  • reduced to solitary spermatogenous cells. They occur randomly among the conidiophores in the same conidioma. The spermatogenous cells are ampulliform...
    11 KB (1,112 words) - 23:13, 10 January 2024
  • Thumbnail for Dictyotales
    cells enlarge and divide horizontally into a stalk cell and a primary spermatogenous cell, which in turn divides vertically and horizontally into 650–1500...
    15 KB (1,418 words) - 16:20, 26 November 2023
  • Thumbnail for Peter K. Hepler
    Hepler examined the de novo formation of the blepharoplast in the spermatogenous cells of Marsilea vestita. The blepharoplast in each spermatid generates...
    40 KB (5,059 words) - 09:36, 7 April 2024