Figure 1
From: Effects of betel nut on cardiovascular risk factors in a rat model
Photomicrograph of rat spleen treated with betel nut at two different doses. (1A) Section of spleen from a rat treated with 60 mg/day dose of betel nut for 5 weeks. Numerous foci of extramedullary erythropoiesis with megakaryocytes (marked by arrow). H & E, Mag: 20X. (1B) Photomicrograph IA at a higher magnification (Mag: 40X). (1C) Section of spleen from a rat treated with 30 mg/day dose of betel nut for 5 weeks. Few foci of extrameduallary hematopoiesis; megakaryote marked by arrow. H & E, Mag: 20X. (1D) Section of a spleen from an age-matched control rat treated with water. No extramedullary hematopoiesis is seen. H & E, Mag: 20X.