Merriam-Webster Collegiate Dictionary - statoblast

 noun  Etymology: International Scientific Vocabulary  Date: 1855  1. a bud in a freshwater bryozoan that overwinters in a chitinous envelope and develops into a new individual in spring  2. gemmule b STATOCYST  noun  Etymology: International Scientific Vocabulary  Date: 1902 an organ of equilibrium occurring especially among invertebrate animals and consisting usually of a fluid-filled vesicle lined with sensory hairs that detect the position of suspended statoliths