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单词 acervulus
释义

acervulus

/əˈsəːvjʊləs/
noun
1 Anatomy. More fully acervulus cerebri: a collection of small calcified concretions situated within or near the pineal body; = brain sand. In later use also: an individual concretion of this kind.
2 Mycology. In certain fungi pathogenic to plants: a flat, typically round mass of hyphae bearing conidiophores which is produced below the epidermis of the host plant.

Origin

Late 18th century. Originally from post-classical Latin acervulus (in acervulus cerebri from acervulus small heap or collection + classical Latin cerebrī, genitive singular of cerebrum).

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更新时间:2024/12/23 8:38:38