| actinostele | โพรโทสตีลรูปแฉก [พฤกษศาสตร์ ๑๘ ก.พ. ๒๕๔๕] |
| Actinost | n. [ Gr. &unr_;, &unr_;, ray + &unr_; bone. ] (Anat.) One of the bones at the base of a paired fin of a fish. [ 1913 Webster ] |
| Actinostome | n. [ Gr. &unr_;, &unr_;, a ray + &unr_; mouth. ] (Zool.) The mouth or anterior opening of a cœlenterate animal. [ 1913 Webster ] |