A -<unk>  - Howell-Jolly body<unk><unk><unk>  are thin, red-violet staining, threadlike strands in the shape of a loop or figure-8 that are found on rare occasions in red blood cells (erythrocytes). They are believed to be microtubules that are remnants from a mitotic spindle, and their presence indicates an abnormality in the production of red blood cells.<unk> , considerably rare findings, when present are found in the cytoplasm of red blood cells and in most cases, are caused by defects of erythrocytic production and are not commonly found in the blood circulating throughout the body.
Cabot rings
Vossius ring
Maddox wing
Brock string
Soemmering ring
Surfer's knots
Cenani–Lenz syndactylism
Cramp-ring