Annulus

• Annular eclipse
• Annular hurricane
• Annular lake
• Annular ligament (disambiguation)
• Annulation
• Annulet (disambiguation)
• Annulus (botany)
• Annulus (construction)
• Annulus (firestop)
• Annulus (mathematics)
• Annulus (mycology)
• Annulus (oil well)
• Annulus of Zinn
• Anulus fibrosus disci intervertebralis
• Blowout preventer
• Combustor
• Ring (disambiguation)
• The Annulus
• ciliary body
• deep inguinal ring
• epicyclic gearing
• femoral ring
• fibrous rings of heart
• ring finger
• superficial inguinal ring
• umbilical ring