velum

名词 velum:

1. membrane of the young sporophore of various mushrooms extending from the margin of the cap to the stem and is ruptured by growth; represented in mature mushroom by an annulus around the stem and sometimes a cortina on the margin of the cap
   同义词：partial veil
2. membrane initially completely investing the young sporophore of various mushrooms that is ruptured by growth; represented in the mature mushroom by a volva around lower part of stem and scales on upper surface of the cap
   同义词：universal veil
3. a muscular flap that closes off the nasopharynx during swallowing or speaking
   同义词：soft palate

ve.lum

n.（名词）
【复数】 ve.la[-l…]
Biology A covering or partition of thin membranous tissue, such as the veil of a mushroom or a membrane of the brain.
【生物学】 菌幕，缘膜：一种由薄膜组织构成的覆盖物或分隔物，如蘑菇的菌幕或脑膜
Anatomy The soft palate.
【解剖学】 软腭
Zoology A ciliated swimming organ that develops in certain larval stages of most marine gastropod mollusks.
【动物学】 游泳盘：大多数海洋腹足纲软体动物的某些幼体阶段形成的一种有纤毛的游泳器官

来源：
Latin [veil]
拉丁语 [幕]