What does protonema mean?
A small, thread-like structure that is the first stage in the development of a moss or liverwort plant, consisting of a mass of undifferentiated cells that give rise to the gametophyte. In some contexts, also refers to the initial stage of development in other organisms.
Example
"The protonema of the moss plant was visible to the naked eye, a delicate network of tiny threads."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.