title: Correspondence.
authors.affiliation: Justus Liebig University Giessen, Institut für Anatomie und Zellbiologie, Aulweg 123, 35385 Giessen, Germany.
authors.forename: Ferial
authors.initials: F
authors.lastname: Aslani
authors.affiliation: Justus Liebig University Giessen, Institut für Anatomie und Zellbiologie, Aulweg 123, 35385 Giessen, Germany. Electronic address: Joerg.Klug@anatomie.med.uni-giessen.de.
authors.forename: Jörg
authors.initials: J
authors.lastname: Klug
mesh_terms: D000818:Animals; D018929:Cell Culture Techniques / Q000379:methods*; D002478:Cells, Cultured; D005854:Germ Cells / Q000502:physiology; D007985:Leydig Cells / Q000502:physiology; D008297:Male; D051379:Mice; D051381:Rats; D012671:Seminiferous Tubules / Q000166:cytology / Q000502:physiology; D012708:Sertoli Cells / Q000502:physiology*