Metabolism

 Genetic Information Processing

 Environmental Information Processing

 Cellular Processes

 Organismal Systems

   Immune system

   Endocrine system

   Circulatory system

   Digestive system

   Excretory system

   Nervous system

     04724 Glutamatergic synapse [PATH:hsa04724]

     04727 GABAergic synapse [PATH:hsa04727]

     04725 Cholinergic synapse [PATH:hsa04725]

     04728 Dopaminergic synapse [PATH:hsa04728]

     04726 Serotonergic synapse [PATH:hsa04726]

     04720 Long-term potentiation [PATH:hsa04720]

     04730 Long-term depression [PATH:hsa04730]

     04723 Retrograde endocannabinoid signaling [PATH:hsa04723]

     04721 Synaptic vesicle cycle [PATH:hsa04721]

     04722 Neurotrophin signaling pathway [PATH:hsa04722]

   Sensory system

   Development

   Environmental adaptation

 Human Diseases