| Capsule | The outermost layer of the spleen, providing protection and structural integrity. |
| Trabeculae | Fibrous bands branching from the capsule into the spleen, providing internal support. |
| White Pulp | Tissue in the spleen associated with immune function, containing lymphocytes and macrophages. |
| Red Pulp | Tissue involved in filtering and breaking down old red blood cells, surrounding the white pulp. |
| Vascular Sinuses | Enlarged spaces or channels in the spleen where blood is exposed to macrophages for phagocytosis. |
| Vein | The vessel through which purified blood exits the spleen to rejoin the systemic circulation. |
