used as combining form of mod.L. tubulus TUBULE, instead of the usual TUBULI-, either before a word of Greek derivation, or in adverbial relation to an adj. (see -O); occurring in a few recent scientific terms. Tubulocyst, ‘any cystic dilatation of an obsolete canal or functionless duct’ (Dorland, Med. Dict., 1900–13). Tubulodermoid, ‘a dermoid tumor due to the persistence of a fetal tube’ (ibid.). Tubuloracemose a., ‘both tubular and racemose, as, a tubuloracemose gland’ (ibid.). Tubulosaccular a., ‘both tubular and saccular’ (ibid.). Tubulostriate a., ‘having the surface striated with hollow ribs, as some brachiopod and molluscan shells’ (Cent. Dict. Suppl., 1909).
c. 1900. Buck’s Handbk. Med. Sc., VII. 10. Tubulosaccular.
