• • entity
    • continuant
      • generically dependent continuant
        • ajax_class
      • independent continuant
        • immaterial entity
          • ajax_class
        • material entity
          • anatomical entity
            • anatomical cluster
              • ajax_class
            • immaterial anatomical entity
              • ajax_class
            • material anatomical entity
              • anatomical collection
                • ajax_class
              • anatomical structure
                • acellular anatomical structure
                  • ajax_class
                • anatomical junction
                  • ajax_class
                • anatomical system
                  • ajax_class
                • cell condensation
                  • ajax_class
                • cell part
                  • ajax_class
                • conceptus
                • ectoderm-derived structure
                  • ajax_class
                • embryonic structure
                  • ajax_class
                • endoderm-derived structure
                  • ajax_class
                • extraembryonic structure
                  • ajax_class
                • lateral structure
                  • ajax_class
                • mesoderm-derived structure
                  • ajax_class
                • mixed endoderm/mesoderm-derived structure
                  • ajax_class
                • morphological feature
                  • ajax_class
                • multicellular anatomical structure
                  • anatomical conduit
                    • orifice
                      • ajax_class
                    • outflow tract
                      • ajax_class
                    • tube
                      • biliary ductule
                      • digestive tract
                      • epithelial tube
                        • ajax_class
                      • excretory tube
                        • collecting duct of renal tubule
                        • mesonephric tubule
                          • ajax_class
                        • nephric duct
                          • ajax_class
                        • primitive nephron
                        • renal tubule
                        • ureter
                        • uriniferous tubule
                      • Mullerian duct
                      • oviduct
                      • respiratory tube
                        • ajax_class
                      • semicircular canal
                        • ajax_class
                    • vessel
                      • ajax_class
                  • brain ventricle/choroid plexus
                    • ajax_class
                  • cell cluster
                    • ajax_class
                  • cornea
                  • external soft tissue zone
                    • ajax_class
                  • multi organ part structure
                    • ajax_class
                  • multi-tissue structure
                    • ajax_class
                  • multicellular organism
                    • ajax_class
                  • organ
                    • ajax_class
                  • organ part
                    • ajax_class
                  • organ system subdivision
                    • ajax_class
                  • organism subdivision
                    • ajax_class
                  • tissue
                    • ajax_class
                • muscle structure
                  • ajax_class
                • neural crest-derived structure
                  • ajax_class
                • reproductive structure
                  • ajax_class
                • sac
                  • ajax_class
                • skeletal musculature
                • structure with developmental contribution from neural crest
                  • ajax_class
                • surface structure
                  • ajax_class
                • transparent eye structure
                  • ajax_class
              • developing anatomical structure
                • ajax_class
              • organism substance
                • ajax_class
          • disorder
            • ajax_class
          • object
          • object aggregate
          • organism
            • ajax_class
          • processed material
            • ajax_class
      • specifically dependent continuant
        • ajax_class
    • occurrent
      • ajax_class
    • symptom
  • obsolete class
    • ajax_class