Cryopreservation of Atlantic croaker spermatozoa: evaluation of morphological changes.

  title={Cryopreservation of Atlantic croaker spermatozoa: evaluation of morphological changes.},
  author={J C Gwo and Connie R. Arnold},
  journal={The Journal of experimental zoology},
  volume={264 4},
The spermatozoon of the Atlantic croaker (Micropogonias undulatus) is a primitive type in that it lacks an acrosome. The kidney-shaped head has a diameter of about 1.5 microns and is occupied by a granular and electron-dense nucleus. The short midpiece contains 3 spherical mitochondria and encircles the basal body of the flagellum but is separated from it. The flagellum consists of the typical 9 + 2 axoneme and surrounding plasma membrane but lacks a lateral ridge. Spermatozoa of Atlantic… CONTINUE READING
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