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By Richard M. Fox

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Additional resources for A monograph of the Ithomiidae (Lepidoptera) Part III: The tribe Mechanitini Fox (Memoirs - American Entomological Society)

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Good image quality produced by excellent scanning technique (5 MHz probe; depth of 7 cm). This sonogram of an ovary with a corpus luteum (1) and a follicle (2) demonstrates excellent image quality. The face of the probe is very close to the ovary so the image appears high on the screen; 3: pelvic bone. 23 CHAPTER 2: SCANNING TECHNIQUES AND COMMON ERRORS far to the left of the screen the probe must be pushed forward to center it. Conversely, if the image is too far to the right the probe must be pulled back to center it.

7 shows the anatomy (A) and ultrasonographic image (B) of an active ovary with a corpus luteum and a large dominant follicle. Ultrasound appearance Follicles appear as anechoic structures of various sizes. The line between the follicular wall and the follicular antrum is always smooth and well defined. The dominant follicle increases in size until the end of a follicular wave or the day before the ovulation (see Chapter 4 for more details). 8. 5 MHz probe; depth of 6 cm). 5 cm); 2: Follicle (4 mm); 3: Posterior pole of the ovary.

Biotech Productions, Texas. 26 P R A C T I C A L AT L A S O F R U M I N A N T A N D C A M E L I D R E P R O D U C T I V E U LT R A S O N O G R A P H Y 4. When examining a small object such as an ovary it is important to a. Position the ovary about 8 cm away from the probe b. Use the lowest frequency probe available c. Slowly rotate the probe across the entire ovary d. Hold the ovary with the fingers while examining it Answers 1. 2. 3. 4. 3. The dark area in the yellow rectangle on the following sonogram is most likely caused by a.

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A monograph of the Ithomiidae (Lepidoptera) Part III: The tribe Mechanitini Fox (Memoirs - American Entomological Society) by Richard M. Fox


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