Figure 7 in Endemic freshwater planarians of Sardinia: Redescription of Dugesia hepta (Platyhelminthes, Tricladida) with a comparison of the Mediterranean species of the genus

Figure 7. Dugesia hepta: light micrograph sections through the copulatory apparatus. (A) Frontal section showing the ejaculatory duct opening laterally on the right with respect to the apex of the penis papilla. Haematoxylin eosin. (B) Transverse section of the penis papilla protruding in the atrium. Note the dorsal position of the ejaculatory duct and the spermatophore in the lumen. Heidenhain's iron haematoxylin. (C) Transverse section of the ejaculatory duct surrounded by numerous glands. Alcian blue. (D) Transverse section of the atrium with spermatophores in the lumen. Note shell glands opening in its centre-lateral area. Haematoxylin eosin. (E) Detail of the atrium showing luminal epithelium. Transverse section. (F) Transverse section of numerous cement glands. (E, F) Heidenhain's iron haematoxylin.Published as part of Stocchino, G. A., Corso, G., Manconi, R., Casu, S. & Pala, M., 2005, Endemic freshwater planarians of Sardinia: Redescription of Dugesia hepta (Platyhelminthes, Tricladida) with a comparison of the Mediterranean species of the genus, pp. 1947-1960 in Journal of Natural History 39 (22) on page 1953, DOI: 10.1080/00222930500060025, http://zenodo.org/record/521515