Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Results from SEM showing the structure of (A) nHAC/PLA and the morphology of the cells in the (B) sham PDLSCs + nHAC/PLA, (C) OVX PDLSCs + nHAC/PLA and (D) OVX PDLSCs + nHAC/PLA + E2. (A) Magnification, ×400; (B–D) magnification, ×800. OVX, ovariectomized; PDLSCs, periodontal ligament stem cells; nHAC/PLA, nano-hydroxyapatite/collagen/poly(L-lactide).
