• • anatomical entity
    • immaterial anatomical entity
      • ajax_class
    • material anatomical entity
      • anatomical collection
        • ajax_class
      • anatomical structure
        • acellular anatomical structure
          • ajax_class
        • anatomical border
          • ajax_class
        • anatomical junction
          • ajax_class
        • anatomical system
          • ajax_class
        • cell
          • ajax_class
        • cell condensation
          • ajax_class
        • cellular anatomical entity
          • ajax_class
        • conceptus
        • ectoderm-derived structure
          • ajax_class
        • endoderm-derived structure
          • ajax_class
        • ganglion
          • ajax_class
        • juxtaglomerular apparatus
          • ajax_class
        • lateral structure
          • ajax_class
        • material entity in digestive tract
        • mesoderm-derived structure
          • ajax_class
        • mixed ectoderm/mesoderm/endoderm-derived structure
        • mixed endoderm/mesoderm-derived structure
          • ajax_class
        • morphological feature
          • ajax_class
        • multi cell part structure
          • ajax_class
        • multicellular anatomical structure
          • anatomical conduit
            • anal canal
            • bone foramen
              • ajax_class
            • central canal of spinal cord
            • ethmoid foramen
            • external acoustic meatus
            • hair canal
            • hypoglossal canal
            • lacrimal canaliculus
            • lacrimal drainage system
            • lymph node medullary sinus
            • notochordal canal
            • orifice
              • ajax_class
            • outflow tract
              • ajax_class
            • renal pelvis
              • ajax_class
            • respiratory airway
              • ajax_class
            • rete testis
            • subdivision of spinal cord central canal
              • ajax_class
            • tube
              • bile duct
                • ajax_class
              • biliary ductule
              • cochlear duct of membranous labyrinth
              • digestive tract
              • duct of salivary gland
                • ajax_class
              • duct of seminal vesicle
              • efferent duct
              • ejaculatory duct
              • epididymis
              • epithelial tube
                • ajax_class
              • excretory tube
                • ajax_class
              • male genital duct
              • Mullerian duct
              • nasolacrimal duct
              • oviduct
              • perilymphatic channel
                • ajax_class
              • respiratory tube
                • alveolar sac
                • bronchiole
                  • left lung bronchiole
                    • ajax_class
                  • lobular bronchiole
                  • respiratory bronchiole
                    • ajax_class
                  • right lung bronchiole
                    • ajax_class
                  • terminal bronchiole
                    • ajax_class
                • bronchus
                  • ajax_class
                • pulmonary alveolar duct
                  • ajax_class
                • trachea
              • semicircular canal
              • semicircular duct
              • seminiferous tubule of testis
              • vas deferens
              • ventral pancreatic duct
            • upper respiratory conduit
              • ajax_class
            • urethra
              • ajax_class
            • vertebral canal
            • vertebral foramen
              • ajax_class
            • vessel
              • ajax_class
          • brain ventricle/choroid plexus
            • ajax_class
          • cell cluster
            • ajax_class
          • cornea
          • ductal plate
          • external soft tissue zone
            • ajax_class
          • kidney outer medulla inner stripe
          • kidney outer medulla outer stripe
          • 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
          • reproductive structure
            • ajax_class
          • semicircular canal ampulla
          • tissue
            • ajax_class
        • muscle spindle
        • muscle structure
          • ajax_class
        • neural crest-derived structure
          • ajax_class
        • neural tube lateral wall
          • ajax_class
        • osseus cochlea
        • placental labyrinth villous
        • regenerating anatomical structure
          • ajax_class
        • sac
          • ajax_class
        • septum
          • ajax_class
        • sex-specific anatomical structure
          • ajax_class
        • skeletal musculature
        • structure with developmental contribution from neural crest
          • ajax_class
        • surface structure
          • ajax_class
        • transparent eye structure
          • ajax_class
        • vestigial structure
      • anatomical surface region
        • ajax_class
      • developing anatomical structure
        • ajax_class
      • disconnected anatomical group
        • ajax_class
      • organism substance
        • ajax_class
  • cellular response to toxic substance
  • continuant
    • ajax_class
  • occurrent
    • ajax_class
  • processual entity
    • ajax_class
  • protein
    • ajax_class
  • regulation of body fluid levels
    • ajax_class
  • regulation of hormone levels
    • ajax_class
  • regulation of neurotransmitter levels
    • ajax_class
  • regulation of synapse structure or activity
  • role
    • ajax_class
  • root
    • ajax_class