| 2025-10-18 | Site of some piercings |
| 2024-09-07 | Iris feature |
| 2024-05-25 | Shaded circle |
| 2024-04-29 | Ring surrounding a nipple |
| 2023-05-24 | Area around a nipple |
| 2023-05-18 | Nipple ring? |
| 2023-02-24 | Space between leaf veins |
| 2022-06-07 | Anatomical ring |
| 2022-05-21 | Nipple ring? |
| 2021-08-07 | Spot for some piercings |
| 2021-05-28 | Space between the ribs of an insect wing |
| 2021-04-13 | Colored part of the iris |
| 2021-03-03 | Colored part of the iris |
| 2020-12-26 | Iris feature |
| 2020-08-09 | Colored ring |
| 2020-05-10 | Iris part |
| 2020-01-28 | Colored part of the iris |
| 2019-10-25 | Small colored feature of the body |
| 2018-08-30 | Colored body part |
| 2018-08-11 | Shaded ring |
| 2017-12-02 | Pupil border |
| 2017-10-22 | Anatomical ring |
| 2016-07-22 | Iris feature |
| 2015-04-15 | Part of the iris |
| 2015-03-13 | Shaded ring |
| 2013-12-26 | Site of some piercings |
| 2013-12-02 | Colored part of the iris |
| 2013-09-27 | Anatomical ring |
| 2013-05-09 | Dark circle |
| 2012-07-01 | Iris part |
| 2012-05-16 | Pupil surrounder |
| 2011-12-20 | Colored part of the iris |
| 2010-03-26 | Part of the iris bordering the pupil |
| 2009-05-01 | Small hollow in a surface, in biology |
| 2008-02-22 | Eye component |
| 2008-02-02 | Interstice |
| 2005-07-17 | Ring of color |
| 2004-12-12 | Colorful circle |
| 2004-09-19 | Ring of color |
| 2004-03-30 | Colorful ring |
| 2004-03-26 | Small biological interstice |
| 2004-02-21 | Interstice |
| 2004-02-08 | Portion of the iris |
| 2003-08-11 | Space on a leaf |
| 2003-08-10 | Colored ring |
| 2003-07-10 | Part of the iris |
| 2003-02-02 | Ring of color |
| 2000-10-15 | Ring of color |
| 2000-08-30 | Pupil surrounder |
| 1999-04-17 | Pupil surrounder |
| 1998-01-01 | Interstice |
| 1997-08-24 | Part of the iris bordering the pupil |
| 1997-02-21 | Anatomical ring |
| 1996-11-21 | Anatomical ring |
| 1995-05-29 | Anatomical ring |
| 1994-12-30 | Interstice on an insect's wing |
| 1994-10-16 | Part of the iris |