1. An unpaired sinus of the dura mater
   - straight sinus, tentorial sinus

Type of: sinus, venous sinus

• renumber
• renunciant
• renunciation
• renunciative
• renvoi
• reoccupy
• reoccur
• reoccurence
• reopen
• reorder
• reordering
• reorganisation
• reorganise
• reorganised
• reorganization
• reorganize
• reorganized
• reorient
• reorientate
• reorientation
• Reoviridae
• reovirus
• rep
• repack
• repackage