Figure 8 in Description of a new species of Rhombognathus (Halacaridae, Acari), its spermiogenesis and spermatozoa

Figure 8. (A) Vas deferens; (B) ductus ejaculatorius, the wall is composed by a thin epithelium associated with muscle fibers (arrows): note amorphous secretion on the left side of the picture and spermatozoa surrounded by globular bodies of secretion; (C) light micrograph of a cross-section through a male Rhombognathus: note general aspect of prospective spermatophore, with a secreted center upon which the sperm is laid. MG, excretory portion of midgut; N, nucleus of epithelial cell. Scale bars: 2 mm (A); 1 mm (B); 25 mm (C).