单词 |
ammocœte |
释义 |
ammocœte|ˈæməʊsiːt| [ad. mod.L. Ammocœtes (formerly thought to be a distinct genus), f. Gr. ἄµµο-ς sand + κοίτη bed.] The larval form of any of various lampreys.
1859Yarrell Brit. Fishes (ed. 3) I. 25 An organ..becomes the suctorial muscle that distinguishes the Lampern from its Ammocœte. 1926J. S. Huxley Ess. Pop. Sci. 209 The lamprey starts independent life as a larva, the so-called ammocoete or lampern. 1959Chambers's Encycl. IV. 313/1 Lampreys undergo a metamorphosis. The larva, or Ammocoete, lives in mud or fine sand. It is toothless, with a transverse lower lip and a hood-like upper lip. |

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