Annulus

Annulus (or anulus) or annular may refer to:

Annulus is Latin for little ring.

Human anatomy

Annulus fibrosus disci intervertebralis, spinal structure
Annulus of Zinn, a.k.a annular tendon or annulus tendineus communis, around the optic nerve
Annular ligament (disambiguation)
Digitus annularis, a.k.a ring finger
Annulus femoralis, a.k.a femoral ring
Annulus inguinalis superficialis, a.k.a superficial inguinal ring
Annulus inguinalis profundus, a.k.a deep inguinal ring
Annulus fibrosus cordis, a.k.a fibrous rings of heart

Other

Annulus (construction), outer gear ring in an Epicyclic gearing
Annulus (mathematics), geometric figure
Annulus (mycology), structure on mushroom
Annulus (zoology), growth-induced feature
Annulus (firestop), site of construction issue
Annulus (oil well), void between concentric cylinders
The Annulus, fictional organization in comics
Annulation, type of ring-producing chemical reaction

See also

Annulet (disambiguation)
Annular eclipse
Annular hurricane
Annular combustor, design option in engine

This disambiguation page lists articles associated with the same title.
If an internal link led you here, you may wish to change the link to point directly to the intended article.