vitelline circulation
— Navneord
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～ circulation of blood between the embryo and the yolk sac
vitelline sac
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～ membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
vitellus
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～ nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)
Vithar
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～ (Norse mythology) one of the Aesir; son of Odin; avenges his parent by slaying Fenrir at Ragnarok
Vitharr
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～ (Norse mythology) one of the Aesir; son of Odin; avenges his parent by slaying Fenrir at Ragnarok
Viti Levu
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～ a volcanic island in the Fijis
vitiation
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～ nullification by the destruction of the legal force; rendering null; "the vitiation of the contract"
viticulture
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～ the cultivation of grapes and grape vines; grape growing
viticulturist
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～ a cultivator of grape vine
Vitidaceae
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～ a family of vines belonging to order Rhamnales
vitiligo
— Navneord
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～ an acquired skin disease characterized by patches of unpigmented skin (often surrounded by a heavily pigmented border)
Vaccinium vitis-idaea
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～ low evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berries
Vitis vinifera
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～ common European grape cultivated in many varieties; chief source of Old World wine and table grapes
vitis
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～ the type genus of the family Vitaceae; woody vines with simple leaves and small flowers; includes a wide variety of grapes
Vitis labrusca
— Navneord
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～ native grape of northeastern United States; origin of many cultivated varieties e.g. Concord grapes
Vitis rotundifolia
— Navneord
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～ native grape of southeastern United States; origin of many cultivated varieties
vitrectomy
— Navneord
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～ a surgical procedure that removes the vitreous humor and replace it with saline solution
vitreous silica
— Navneord
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～ colorless glass made of almost pure silica
vitreous humor
— Navneord
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～ the clear colorless transparent jelly that fills the posterior chamber of the eyeball