Page 238 - Veterinary diagnostic imaging birds exotic pets wildlife

234 SECTION I III The Birds

A B

Figure 20-32 • A, Immediate and 30-minute (B) ventrodorsal views of the torso of an Amazon parrot after barium administration initially
show normal accumulation of contrast solution in the crop and, later, barium in the esophagus and ventriculus, partially outlining the food
mass.

Ovaries
immediately caudal to the adrenal gland. Based on a
The dominant left ovary is situated just ahead of the limited number of dissections and ultrasound exami-
left kidney and attended by a single, highly undulant nations, I have found the position, as well as the ori-
oviduct that travels caudally, eventually forming the entation, of the testes quite variable, as is the case with
uterus and culminating in the vagina. the adrenal glands.

Eggs
III THE SPINE
Radiographic detection of an egg typically occurs once
it has reached the uterus where shell formation occurs. Spinal Trauma

Depending on its degree of calcification, the egg may

occasionally be identified in some species while in the Often sought but rarely found characterizes the majority
magnum, the portion of the oviduct just before the of avian spinal surveys in cases of suspected trauma.
uterus. As a rule, the more one progresses caudally, the more

difficult it becomes to clearly see and thus accurately
assess the individual vertebrae. Immature birds are
Testes
even harder to diagnose. Chapter 16 includes an
The paired testes are located on either side of the example of a displaced spinal fracture in an immature
abdomen, adjacent to the cranial pole of the kidney Merlin.

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