Subcutaneous Injection of Myrrh Essential Oil in Mice: Acute and Subacute Toxicity Study

Figure 8

Histology of spleen after hematoxylin and eosin staining (× 40 magnification). Control and F-200 showed distinct spleen follicle with clear white pulp (1), red pulp (2), and marginal zone. White pulp and red pulp are more irregular with increase in dose of MEO. Accumulation of megakaryocytes (small arrow) was found in huge number in MEO 40 and 80.