‖ ramulusBot. and Anat.|ˈræmjʊləs| Pl. ramuli|-laɪ|. [L., dim. of ramus.] A small branch or ramus. c1783W. Stark in Med. Commun. I. 367 Those [vessels] may be traced..to the smaller ramuli.1872H. C. Wood Fresh-w. Algæ 207 Primary branches..densely ramellose with the ramuli lanceolate.