Ciliated, Ciliate adj. Provided with, or surrounded by, cilia; as, a ciliate leaf; endowed with vibratory motion; as, the ciliated epithelium of the windpipe.
... seems that in Balanoglossus we at last find a form which, though no doubt specialised for its burrowing sand-life, and possibly to some extent degenerate, yet has not to any large extent fallen from an ancestral eminence. The ciliated epidermis, the long worm-like form, and the complete absence of segmentation of the body-muscles lead us to forms like the Nemertines. The great proboscis of Balanoglossus may well be compared to the invaginable organ similarly ... — Form and Function - A Contribution to the History of Animal Morphology • E. S. (Edward Stuart) Russell