Fig. 10From: Spermatozoa and spermatogenesis in the northern quahaug Mercenaria mercenaria (Mollusca, Bivalvia)Intermediate stage spermatid; elongated nucleus (N) with granular chromatin, mitochondria (M), distal centriole (Dc), proximal centriole (Pc), axoneme (A); bar 1 μmBack to article page