Chapter 22 Flashcards
Air sacs
Sacs in upper respiratory tract that store air and provide buoyancy for flight
Syrinx
Voice organ of birds located at tracheal bifurcation
Choana
Caudal naris; the cleft in the hard palate of birds
Spur
Sharp, horn-covered, bony projection from the shank of male birds in some species
Wattle
appendage suspended from the head (usually chin)
Cloaca
Common passage for fecal, urinary and reproductive system
Crop on birds
Esophageal enlargement that stores, moistens and softens food
Proventriculus
Elongated glandular stomach
Vent
External opening of cloaca
Ventriculus
Gizzard
Muscular stomach of birds
Keel
Sternum or breastbone
Pygostyle
Bony termination of vertebral column where tail feathers attach
Brood
Young that are hatched or cared for at the same time
Candling
Process of shining a light through an egg to check embryo development
Comb on birds
Vascular, red cutaneous structure attached to dorsum of skull
Clipping in birds
trimming wings of birds to alter their flight; also referred to as pinioning
Fledgling
young bird that has acquired its flight feathers, is out of the nest, but not eating on its own
Apetrium
Area or tract of skin without feathers