... 面盘幼虫是软体动物(头足类除外)继担轮幼虫后的幼虫,担轮幼虫的口前纤毛环部分突出成为左右对称的翼状薄膜,即面盘(velum)靠其表面的纤毛运动,而在水中游泳。从面盘后的体背的壳腺分泌贝壳,随著幼虫生长面盘退化,沉于海底变态而成为成体。
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velum palatinum [解剖] 腭帆
anterior medullary velum [解剖] 前髓帆 ; [解剖] 上髓帆
Velum seperation equipment 膜分离设备
Cumulonimbus velum 幔状积雨云 ; 缟状积雨云
palatine velum 腭缘膜 ; [解剖] 腭帆
inferior medullary velum [解剖] 下髓帆 ; [解剖] 后髓帆
superior medullary velum [解剖] 上髓帆
state of the velum 软颚状态
velum medullare posterius [解剖] 后髓帆 ; 髓后帆
·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: partial veil
同义词: universal veil
同义词: soft palate
以上来源于: WordNet
N any of various membranous structures, such as the ciliated oral membrane of certain mollusc larvae or the veil-like membrane running around the rim of a jellyfish 软口盖 [zoology]
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