protonematal
/ˌproʊtəniˈmeɪtəl/
adjective
- Relating to the protonema, the first stage of growth in mosses and liverworts, consisting of a thread-like structure.
- Researchers observed protonematal branching under different light conditions.
- The protonematal phase is critical for the establishment of the moss colony.
- Protonematal cells are often rich in chloroplasts.