Birds 4 Flashcards
What structure surrounding each testis is very thin because they don’t need much protection in the body cavity?
tunica albuginea
Where do the ductus deferens empty?
papillae of urodeum of cloaca
(T/F) The male bird has accessory genital glands.
False
(T/F) Most birds don’t have a penis.
True
What type of bird has a short phallus which helps direct semen into the cloaca?
waterfowl
How many divisions of the kidney in the bird? List them.
3
cranial, middle, caudal divisions
Clinical significance of renal portal system in birds.
give injections in pectoral Mm so toxic drugs do not go directly to kidneys
The ________ passes right through the kidneys.
lumbosacral plexus
Since the lumbosacral plexus passes right through the kidneys, when a bird is lame it can indicate what disease?
Merrick’s disease
Why is waste from the bird white?
uric acid from urine on the surface
(T/F) Birds do not have a urinary bladder.
True
What is a typical heart rate in the bird?
300 BPM
Where is the thyroid gland located in the bird?
along common carotid A
Aorta in the bird branches to the (left/right).
right
What vessel is prominent in birds and used for blood draws?
brachial V
List the 3 parts of the cloaca.
- coprodeum
- urodeum
- proctodeum
The proctodeum of the cloaca is also called the _______.
vent
The spleen in birds is on the (left/right) side and located between what two structures?
right
proventriculus & ventriculus
(T/F) The cloacal bursa increases in size with age.
False - opposite
(T/F) Birds have copious amounts of lymph nodes.
False - none (except waterfowl 1-2)
(T/F) The parafollicular cells of the thyroid in the bird produce calcitonin.
False - NO parafollicular cells
In addition to the thyroid and parathyroid glands, the bird has _________ glands.
ultimobranchial
What is produced in the ultimobranchial glands of the bird?
C cells
(T/F) The ostrich has the largest retinal blood vessels of all birds.
False - no retinal blood vessels in any birds
