Large variations in the shapes of erythrocytes (red blood cells) is a condition called poikilocytosis, according to CellaVision. These shape variations, along with other symptoms, can indicate iron-deficiency anemia in h... More »

Microcytic anemia is the condition wherein red blood cells are smaller than normal, and it is primarily caused by iron deficiency anemia and thalassemia, according to Dr. Siamak T. Nabili writing for eMedicineHealth. Iro... More »

Thickened blood is a condition called hypercoagulation and it is caused by chemical exposure, genetic coagulation defects, virii, bacteria, mycoplasmas and/or parasites, according to Diagnose-Me.com. It occurs when fibri... More »

The composition of blood consists of various components, such as plasma, white blood cells, red blood cells and platelets. Plasma, which is the fluid component that contains the different blood cells and substances of wh... More »

The composition of blood includes cells suspended in a liquid. While slightly denser than water it is three to four times as viscous, according to About.com. More »

Blood platelets are cells that aid in the clotting process, according to the American Red Cross. They collect at the lining of the blood vessels in the event of a cut and help stop the flow of blood. More »

Blood, a liquid made up of plasma and cells, has several functions including controlling body temperature, supplying oxygen and nutrients, removing waste, assisting the immune system and transporting hormones. Blood cell... More »