FIG. 8.

Histological sections of scaffolds implanted at orthotopic (nude mouse skull) sites at 4 weeks stained by H&E method (A) whole scaffolds, black squares indicate interface region, red squares indicate the inside of the scaffolds; (B) interface region (enlarged), (C) inside the scaffold (enlarged); NB indicates newly formed bone, HB indicates host bone, white arrows indicate newly formed mature blood vessels, black arrows indicate newly formed immature blood vessels, yellow arrows indicate osteoblasts inside the collagen bundle at interface, S indicates scaffold frame. BNBVS, stem cell-loaded BNBV scaffolds. Color images available online at www.liebertpub.com/tea