velum

Definitions of velum
1

n a membranous covering attached to the immature fruiting body of certain mushrooms

Synonyms:
veil
Types:
universal veil
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
partial veil
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
cortina
a cobwebby partial veil consisting of silky fibrils
Type of:
plant part, plant structure
any part of a plant or fungus

n a muscular flap that closes off the nasopharynx during swallowing or speaking

Synonyms:
soft palate
Type of:
flap
a movable piece of tissue partly connected to the body

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