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Ultrasonography

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...

Echo

Echo

The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case, then the...

Imaging Studies II: Ultrasonography

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...

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Related Experiment Video

Updated: Jul 18, 2026

Determining Ultrasonic Vocalization Preferences in Mice using a Two-choice Playback Test

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[Ultrasonic studies in reptiles]

B J Schildger¹, H Tenhu, M Kramer

¹Zoologischer Garten Frankfurt, Frankfurt am Main.

Berliner Und Munchener Tierarztliche Wochenschrift

|April 1, 1996

Summary

Ultrasonography provides a safe, noninvasive method for reptile diagnostics. This study details normal organ appearance in terrapins, snakes, and lizards, aiding in disease detection.

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Area of Science:

Veterinary Medicine
Diagnostic Imaging
Herpetology

Context:

Reptile healthcare often lacks accessible diagnostic tools.
Ultrasonography offers a non-invasive alternative to traditional methods.
Establishing normal organ parameters is crucial for accurate diagnosis.

Purpose:

To describe the normal ultrasonographic appearance of key organs in various reptile species.
To provide a reference for interpreting reptile ultrasonograms.
To document common pathological findings with illustrative examples.

Summary:

This study presents findings from 460 ultrasonographic examinations across 8 terrapin, 12 snake, and 22 lizard species.
Normal ultrasonographic characteristics of the heart, gonads, fat bodies, kidneys, bladder, and gastrointestinal tract are detailed.
The research includes descriptions and examples of pathological findings.

Impact:

Enhances diagnostic capabilities for reptile practitioners.
Facilitates earlier and more accurate disease detection in reptiles.
Contributes to improved reptile welfare and conservation efforts.