Cabot rings are ring shape, or figure-8, these inclusions represents nuclear cabot rings can be seen in megaloblastic anemia

These are cystine crystals. they  are soluble in ammonia they are soluble in alkaline pH

Crenated cell have pucker outer edges. Red cells are covered with 10 – 30 short spicules of regular form. (produced in a blood smear which dries slowly, also can be found in uremia, ...