uropygial gland

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Related to preen gland: Preen oil

uropygial gland

(yo͝or′ə-pī′jē-əl, -pĭj′ē-)
n.
A large gland at the base of a bird's tail that secretes an oil used in preening. Also called oil gland.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

oil gland

Medspeak
Sebaceous glands; glandulae sebaceae [NA].
 
Zoology
The secretory unit in certain birds responsible for producing and deploying lipid moieties required for “waterproofing” water fowl.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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Chemistry of preen gland secretions of passerines: different pathways to same goal?
Relation of the preen gland (Glandula uropygialis) of birds to rickets.
Further observations on the relation of the preen gland of birds to rickets.
Suppression of a thioesterase gene expression and the disappearance of short chain fatty acids in the preen gland of the mallard duck during eclipse, the period following postnuptial molt.
Disappearance of short chain acids from the preen gland wax of male mallard ducks during eclipse.
is going to be the United States marketer of a product created in South Africa that is similar to the oil secreted by ducks' preen glands.