from The Century Dictionary.
- noun In cytology, the paranucleus; an extra-nuclear body in the spermatid, arising from the spindle-fibers of the secondary spermatocyte. This name is also given to many other cytoplasmic structures, such as the mitosome and yolk-nucleus.
Sorry, no etymologies found.
Thorell B, Akerman L, Chance B (1959) Localization and assay of respiratory enzymes in single living cells. absorbancy measurements on the nebenkern.