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. Author manuscript; available in PMC: 2014 Aug 19.
Published in final edited form as: Fertil Steril. 2004 Oct;82(0 3):1182–1187. doi: 10.1016/j.fertnstert.2004.04.030

FIGURE 2.

FIGURE 2

A, Electron micrograph of a leiomyoma (×64,000). Note the disorganization of the collagen fibrils. There was no observed evidence of a barbed appearance of fibrils in the leiomyoma tissue studied. This sample was taken from a 0.3 × 0.3 × 0.3 cm fibroid. Subject 4 was 35 years old and had three leiomyomas. B, At the same magnification, the collagen fibrils in the myometrium have a clear and distinct barbed appearance, suggesting heterotypic fibrils. The myometrium was obtained 2.5 cm from the edge of the leiomyoma. The subject had been taking FeSO4 for uterine bleeding.