noun
: a haploid hyphal thread that develops from an aecial primordium in many heterothallic rust fungi, that protrudes from a pycnium, and that is joined by a pycniospore to establish a diploid mycelium prior to aeciospore formation
noun
: a haploid hyphal thread that develops from an aecial primordium in many heterothallic rust fungi, that protrudes from a pycnium, and that is joined by a pycniospore to establish a diploid mycelium prior to aeciospore formation
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012