Uropygial gland - Wikipedia
网页The uropygial gland, informally known as the preen gland or the oil gland, is a bilobed sebaceous gland possessed by the majority of birds used to distribute the gland's oil through the plumage by means of preening.
Uropygial or Preening Gland in Birds | VCA Animal Hospitals
网页What is a uropygial gland? Among our pet birds, the uropygial gland (preening gland, preen gland,or oil gland) is found on budgies, most parrots, canaries, most finches, cockatoos, and waterfowl. It is absent in doves, pigeons, Amazon parrots, and Hyacinth macaws.
Uropygial Gland - an overview | ScienceDirect Topics
网页The uropygial gland, often referred to as the oil or preen gland, is an epidermal holocrine gland localized on the uropygium of most birds. It is composed of two lobes separated by an interlobular septum and covered by an external capsule.
The Preen Gland - Ornithology
网页The uropygial gland, also called the preen gland or oil gland, is a bilobed structure on the dorsal base of a bird’s tail between the fourth caudal vertebra and the pygostyle, the structure formed by the fusion of the final caudal vertebrae.
The Uropygial Gland of Birds, by Marc Gilles - YouTube
网页The uropygial gland produces preen oil, which is preened through birds' feathers for plumage maintenance, olfactory cues, and protection against parasites and predators. Marc Gilles was one of...
Preen gland | Uropygial, Feathers & Oils | Britannica
网页Preen gland, in birds, an organ located on the back near the base of the tail. Paired or in two united halves, it is found in most birds. Absent in ostrich, emu, cassowary, bustard, frogmouth, and a few other birds, the oil gland is best-developed in aquatic species, notably petrels and pelicans,
What is uropygial gland used for? - Birdful
网页2024年2月9日 · The uropygial gland, also known as the preen gland or oil gland, is a small gland found near the base of the tail in most birds. It secretes an oily substance that birds use to coat their feathers to keep them flexible, waterproof, and protected from parasites and microorganisms.
Preen oil and bird fitness: a critical review of the evidence
网页The uropygial gland is a holocrine complex exclusive to birds that produces an oleaginous secretion (preen oil) whose function is still debated. Herein, I examine critically the evidence for the many hypotheses of potential functions of this gland.
Uropygial Gland - an overview | ScienceDirect Topics
网页The uropygial gland is a bilobed, simple-tubular holocrine gland that is present in most avian species. It lies deep to the epidermis on the dorsal midline at the base of the tail, dorsal to the levator (elevating) muscles of the tail. The gland typically forms a distinctive bulge (see Fig. 28.1-2).
Uropygial Gland (Preen or Oil Gland) - British Hen Welfare Trust
网页The uropygial gland, more commonly known as the ‘oil gland’, plays an important role in helping the hen to keep her feathers waterproof and in good condition. In hens with full feathering the gland is less obvious but may suddenly become visible during a heavy moult.