Ectosteal :: Ectosteal (a.) Of or pertaining to ectostosis; as, ectosteal ossification..
Hectostere :: Hectostere (n.) A measure of solidity, containing one hundred cubic meters, and equivalent to 3531.66 English or 3531.05 United States cubic feet..
Nectostem :: Nectostem (n.) That portion of the axis which bears the nectocalyces in the Siphonophora.