human spleen anatomy. unpaired parenchymal organ of the abdominal cavity. gland. splenic vein. realistic 3d

anatomical anatomy artery background biological biology blood body cartoon design diagram digestive drawing element gland graphic health healthy hemoglobin hemorrhagic human icon illustration immune internal isolated lymph medical medicine mononuclear oncology organ pancreas phagocyte physiology realistic science section shock spleen stomach structure surface symbol system vector vein vertebrates white