Comparitive Anatomy Birds Flashcards

Terms Definitions
irregular bumps on a turkey's head
caruncles
snood
finger thing on the beak
gallinaceous birds
poultry
do birds have sweat glands?
no
brooding patch
on the breast where skin thickens feathers fall out and it is more vascularized
the gland that produces an oily secretion that the bird distributes over the feathers by preening
uropygial gland
contour feathers
flight feathers
down feathers
body feathers
filoplume feathers
to keep the contour in place
pin feather
growing feather
blood feathers
feathers with a prominant pulp
remiges
large flight feathers
rectrices
tail feathers
tectrices
body contour feathers
shaft
axis of feather
calamus
feather part that penetrates the skin
rechis
feather part that is above the skin
vanes
projections from either side of the shaft
which feathers have no barbicels
down feathers
pterylae
feather tracts
apteria
no feathers
which animals are flightless durring molt
duck and geese
what respiratory organ that mammals have do avians lack?
diaphragm
pneumatic bones
bones in the air sacs
what complex bones are missing in avians that mammals have?
carpus and tarsus
the vertebral formula of a bird
C 12-17; T 7; L-S 14; Cd 6
notarium
fusion of last C vertebra with first 3 T vertebra
synsacrum
fusion of last few T vertebrae with the S vertebra
pygostyle
fusion of last few Cd vertebra (anchor for tail feathers)
furcula
fusion of left and right sides of clavicle (wishbone)
which is larger in avian: ulna or radius?
ulna
fusion of metacarpal and carpal bones
caropmetacarpal bones
how many digits in avians
3
digit 1 in avians
pollux with 2 phalanges
digit 2
major digit with 2 phalanges and vestigial third phalange
digit 3 in avians
small with one phalange
fusion of tarsal and tibia
tibiotarsus
fibulat is fused with what?
tibia
tarsal and metatarsal bone fusion
tarsometatarsus
first digit on the pelvic limb
spur
second through fourth digits on the pelvic limb
directed forward and fan out
flight mm
pectorals ans supracoracoid
downbeat of the wings
pectorals
take off m
supracoracoid
perching apparatus
reciprocal
longitudinal openings b/t the oral and nasal cavities
choanal cleft
entoglossalbone
tounge
aditus laryngeus
opening into the larynx
crop/ingluvies
dilation of the esophagus
proventriculus
first chamber of the stomach
ventriculus
second chmaber (muscular and eat grit to grind food)
pancreas of the chicken
b/t duodenum loops and is attached at 3 spots
meckel's diverticulum
embryonic youlk sac with immune function
three parts of the cloaca
coprodeum, urodeum, protodeum
anus=
vent
coprodeum
holds feces
urodeum
male:ductus deferens opening, female:left oviduct opening
protodeum
bursa of fabricus lined with tissue that makes B lymphocytes
syrinx
produces sound
lung hierarchy
primary bronchi-secondary bronchi-parabronchi
8 airsacs
clavicular, cervical, cranial thoracic, caudal thoracic and abdominal
how many chambers in the heart?
4
right atrium recieves blood from where
cranial vena cava and two caudal venae cavae
the left atrium receves blood from where?
pulmonary vein
what does the kidney lack?
loop of henle
renal portal system
kidneys get blood from the cuadal part of the body and give it to a sencondary capillary system in the kidneys
chickens have which ovary and oviduct?
left
stigma
where follicle ovulates
size of the infundibulum
9cm wide and 7cm long
what occurs in the infundibulum
fertilization and chalaziferous layer of albumen
size of magnum
35 cm long
what occurs in the magnum
albumen is formed
size of the isthmus
8cm long
what occurs in the isthmus?
site of egg shell membrane attachment
size of the uterus
8cm long
what occurs in the uterus?
shell attachment, water and electorlytes and add cuticle
how long does it take an egg to reach the uterus?
5 hrs
how long does an egg spen in the uterus?
20 hrs
shape of the vagina
S
which birds have true encapsulated lymph nodes
ducks
cecal tonsils
lymph nodes prominant in the ceca of chickens
importance of the cloacal bursa
site of maturation of B lymphocytes and regresses with sexual maturity
the avian spleen functions in what
RBC physiology and lymphocyte production
where are the testes located?
b/t the lungs and kidneys
epididymis
on the medial side of testis and leads into a ductus deferens with no glands
phallus
copulatory organ with no erectile tissue
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