| unicellular | <biology> Describes an organism (such as a diatom) that has only one cell. (09 Oct 1997) |
|---|---|
| unicellular gland | A single secretory cell such as a mucous goblet cell. (05 Mar 2000) |
| unicellular sclerosis | A growth of fibrous tissue between and isolating the individual cells of a part. (05 Mar 2000) |