sus·ten·tac·u·lar /ˌsəstənˈtækjəlɚ, ˌtɛn-/ 形容詞 支柱的,支持的
Sus·ten·tac·u·lar a. Anat. Supporting; sustaining; as, a sustentacular tissue. ◄ ►
sustentacular adj : serving to sustain or support; "sustentacular cells"