tet·ra·spore /ˈtɛtrəˌspor, ˌspɔr/
四分孢子
Tet·ra·spore n. Bot. A nonsexual spore, one of a group of four regularly occurring in red seaweeds. -- Tet*ra*spor*ic a.
◄ ►
tetraspore
n : one of the four asexual spores produced within a sporangium