Haematids are tiny, disc-shaped cells that are essential for our body's good health and overall well-being. These cells are also known as red blood cells and can be found throughout our bloodstream. While haematids may be the most common term used for these cells, there are several other synonyms available. Some of the most commonly used include erythrocytes, red cells, and red corpuscles. Other less frequently used synonyms may include hemocytes, hematocytes, and red blooded cells. Regardless of the term used, they all refer to the same important cells that carry oxygen throughout our bodies.