pilidium

帽状幼体

词形变化

pilidia 复数 pilidia

释义与例句

n.
  1. 1.

    The free-swimming larva of certain proboscis worms, somewhat resembling a deerstalker hat. It has no resemblance to its parent, and the young worm undergoes development in its interior.

    生物 动物学

词源

From Ancient Greek πῑλίδιον (pīlídion, “little cap”), diminutive of πῖλος (pîlos), probably influenced by other formations in -idium, like miracidium, planidium, and coracidium.

来源：wiktionary