The testicular interstitial tissue of the amphibian Physalaemus fuscumaculatus.
D000663:Amphibians / Q000033:anatomy & histology*; D000818:Animals; D002856:Chromatophores; D003094:Collagen; D003238:Connective Tissue; D003239:Connective Tissue Cells; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D006652:Histological Techniques; D007985:Leydig Cells / Q000166:cytology; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria; D013737:Testis / Q000166:cytology*
D003094:Collagen