Skip to main content

Table 3 Eggs classification according to three main features: presence and state of the FE, state of the HL (when visible) and achievement of cellular division

From: CO2-induced fertilization impairment in Strongylocentrotus droebachiensis collected in the Arctic

  1. (•) term used by Epel (1975)/(*) term used by Runnström and Manelli (1964)
  2. SF successful fertilization, UF unsuccessful fertilization, scale bar 100 µm. Subcategories are explained in the text