| 单词 | zona pellucida |
| 释义 | zona pellucida in American English (ˈzoʊnəpəˈlusɪdə) Word forms: plural ˈzonae pelˈlucidae (ˈzoʊnipəˈlusɪdi) the clear, thick outer membrane that surrounds and protects the mature egg of a mammal: it has receptors on its surface that bind with sperm cells Examples of 'zona pellucida' in a sentence |
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