gastrolith

n. [医]胃石

词形变化

gastroliths 复数 gastroliths

释义与例句

n.
  1. 1.

    A stone or rock ingested by certain animals and retained in their digestive tract, particularly the gizzard, in order to assist in grinding food or serve other functions like ballast.

    生物 动物学

词源

From gastro- + -lith.

来源：wiktionary