from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A pathological collection of fluid, differing from a cyst in lacking a clearly-defined epithelial cell layer.
from The Century Dictionary and Cyclopedia
- n. In botany, one of many more or less imperfectly spherical bodies produced by the breaking up of the protoplasm of the filaments in certain of the Protophyta.
- n. In botany: The vegetative cell of any of the blue-green algæ.
- n. In some sporozoans, a structure which is formed from the residual protoplasm left after the sporoblasts are separated off and which by swelling causes the true cyst-wall to burst asunder, thus setting free the spores.
pseudo- + cyst (Wiktionary)