资料来源 : pyDict

阳基侧突; 半侧体

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Paramere \Par"a*mere\, n. [Pref. para- + -mere.] (Zo["o]l.)
   One of the symmetrical halves of any one of the radii, or
   spheromeres, of a radiate animal, as a starfish.