Definition of Uropygial gland

1. Noun. Oil-secreting gland situated at the base of the tail in most birds.

Exact synonyms: Preen Gland
Group relationships: Bird
Generic synonyms: Oil Gland

Medical Definition of Uropygial gland

1. A compound alveolar gland of birds located on the dorsum of the tail or pygostyle; the secretion of this gland (fatty acids and wax) exits from a papilla on the dorsal surface at the base of the tail feathers; the bird applies the substance to its feathers by means of the bill when preening. The uropygial gland is lacking in some species but its waterproofing ability is essential to water birds. Synonym: glandula uropygius, oil glands, preen gland. (05 Mar 2000)

Lexicographical Neighbors of Uropygial Gland

uroporphyrinogen-III synthase
uroporphyrinogens
uroporphyrinogen decarboxylase
uroporphyrinogen I synthetase
uroporphyrins
uropsammus
Uropsilus
Uropsilus soricipes
uropterin
uropurpurin
Uropygi
uropygia
uropygial
uropygial
uropygial gland (current term)
uropygial gland (current term)
uropygium
uropygium
uropygiums
uroradiology
urorectal
urorectal fold
urorectal membrane
urorectal septum
urorosein
urorubin
urorubrohematin
urosacral
Urosaurus
Urosaurus ornatus

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