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
Calamus
the hollow inner portion of the feather shaft that lacks barbs and attaches to the skin
Cere
Thickened skin at the base of the eternal nares of birds
Coverts
small feathers that cover the base of the large feathers
Plume
feathers that are close to the body and provide warmth
pteryla
feather tracts of birds
rachis
distal end of feather shaft
retrices
tail flight feathers
remiges
primary wings feather
setae
sensitive bristles that grow on the heads of many birds
Uropygial gland
gland laterally to the tail that secretes oil used to waterproof or preen feathers
Lore
area between the cranial portion of the eyes and bill of birds
Coprodeum
rectal opening to the cloaca
Proventriculus
stomach of bird
Furcula
fused clavicle in birds
Keel
sternum of birds
scleral ring
overlapping bony plate encircling the eye at the corneal scleral junction
Infundibulum
portion of the oviduct located closest to the ovary that captures ovulated eggs
Chalaza
rope like structure holding the yolk to the center of the egg
Barred
Feather with alternating strips of colour across the width
Laced
Feathers with a narrow border of contrasting colour
Moltted
Some feathers are tipped in white
Penciled
Feathers with a narrow uniform line of contrasting colour
Spangled
Feathers with a contrasting colour at the tip of that may be black or white
Passeriformes
Group of perching birds that includes most songbirds
Psittacine
Group of parrotlike birds
Ratite
class of large, flightless birds that are raised for their meat and hides
ACPV
American college of poultry veterinarians