Fig. 6

Results of identification of the gonad development stages of M. albus. A: Ovary stage (OV), B: early intersexual gonad (IE), C: middle intersexual gonad (IM), D: late intersexual gonad (IL), E: testis stage (TE). CAO: cortical alveolar oocyte, PG: primary growth stage, GR: gonadal ridge, SC: spermatocyte, ST: spermatid, BV: blood vessel