A veil-like organ or part.
The circular membrane that partially incloses the space beneath the umbrella of hydroid medusæ.
A delicate funnel-like membrane around the flagellum of certain Infusoria. See Illust. a of Protozoa.
A fold on the inner side of the leaf-base in Isoetes.
a ciliated pair of lobes, used for swimming and feeding by larval molluscs.
A thin layer of accessory clouds pierced by cumuliform clouds. Occur with cumulus and cumulonimbus.
is the soft palate or roof of the mouth.
Soft palate (near back of roof of the mouth).
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
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
a muscular flap that closes off the nasopharynx during swallowing or speaking
Latin = curtain; veli = of a curtain.
L. veil. Anterior medullary velum.
The Latin name for the soft palate.
ˈviləm] - the soft palate.
a membranous flap-like envelope which partially or wholly covers the sporangium.
Ciliated organ used for locomotion and feeding in the veliger larval stage of oysters.
a membranous covering; a veil.
An accessory cloud veil of great horizontal extent draped over or penetrated by cumuliform clouds. Velum occurs with cumulus and cumulonimbus. See cloud classification.
The areas at the back of the mouth, including the soft palate and nasopharynx, which touch during swallowing and production of certain sounds.
A thin, membranous covering enveloping young mushrooms, remnants of which may form a ring or spots.
a membrane found on the subumbrella surface of jellyfishes of the Class Hydrozoa. Also a ciliated swimming organ of the veliger larvae. Shelf-like membrane structure on the subumbrella (ventral) surface, which extends from the outer edge to the manubrium. Synapomorphy of Hydrozoa2.