| 单词 | ethmoid bone |
| 释义 | > as lemmasethmoid bone ethmoid bone n. an unpaired, irregularly shaped bone of the human skull which forms part of the orbits and nasal cavity, consisting of a horizontal plate (the cribriform plate) pierced by many small openings for the passage of olfactory nerves, a vertical plate descending from this, and two lateral masses containing air cells; (also) the homologous bone in the skulls of other vertebrates.extracted from ethmoidadj.n.< as lemmas |
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