Sonogram of a dominant follicle, mare
Sonogram of a dominant follicle, mare
Usually one follicle becomes dominant during estrus. Ultrasonography of the ovaries can allow accurate measurement of the follicle. The anechoic (black) follicle is 37.2 mm in diameter.
Courtesy of Dr. Patricia Sertich.
In these topics
The Reproductive Cycle of Horses