Background:EFNB1 (Ephrin B1) is a Protein Coding gene. Diseases associated with EFNB1 include Craniofrontonasal Dysplasia and Craniosynostosis. Among its related pathways are Developmental Biology and EphB-EphrinB Signaling. GO annotations related to this gene include ephrin receptor binding. An important paralog of this gene is EFNB2.EFNB2 (Ephrin B2) is a Protein Coding gene. Diseases associated with EFNB2 include Nodular Regenerative Hyperplasia and Intracranial Hemorrhage In Brain Cerebrovascular Malformations. Among its related pathways are Developmental Biology and Spinal Cord Injury. GO annotations related to this gene include receptor binding and ephrin receptor binding. An important paralog of this gene is EFNB1.