1) Anatomical interstices 2) Anatomical rings 3) Anatomical rings in irises 4) Biological rings 5) Biological rings of color 6) Cactus features 7) Circles of color 8) Colored rings 9) Colorful circles 10) Eye parts bordering on pupils 11) Interstices 12) Iris features 13) Leaf parts 14) Nipple rings 
• (pl. ) of Areola