เข้าสู่ระบบ สมัครสมาชิก
มากกว่า

uropygial gland การใช้

ประโยคมือถือ
  • Adult ratites have no preen gland ( uropygial gland ) that contains preening oil.
  • The oil secretion from the uropygial gland may also have an inhibitory effect on feather bacteria.
  • Chemical cues are not the only factor when it comes to secretions by the uropygial gland.
  • They possess developed uropygial gland secretion.
  • They produce very little oil from their uropygial glands so their feathers would become sodden if they settled on the surface.
  • During the breeding period, adults release an increased level of pheromones also since their uropygial glands are larger while raising their nestlings.
  • The first type of coloration, whereby the animal produces the substances for coloration, is directed by secretions of the uropygial gland.
  • "K " n also has other pleiotropic effects, as a reduction in comb size and hypertrophy of the uropygial gland.
  • The uropygial gland also can change the shape of the reflected light off the feathers, which alters what wavelengths of light are reflected.
  • The first is a type is when substances are produced by the bird itself such as uropygial gland secretions, skin secretions, and powder.
  • Intrasexual aggression is exhibited when males respond to other males pheromones released by the uropygial gland in order to mark their social dominance and their competitor territories.
  • This study found that the flamingo applied these carotenoid rich secretions from the uropygial gland on its plumage and the resulting cosmetic coloration may influence mate choice.
  • In some birds, feather colors may be created, or altered, by secretions from the " uropygial gland ", also called the preen gland.
  • The uropygial gland of the incubating and brooding female is quickly modified to produce a foul-smelling liquid, and the glands of nestlings do so as well.
  • The rump area over the uropygial gland and the tail are often the first body regions to show signs of plumage damage due to feather pecking, followed by the neck, wings and back,
  • Birds and reptiles have relatively few skin glands, although there may be a few structures for specific purposes, such as pheromone-secreting cells in some reptiles, or the uropygial gland of most birds.