1. Progress toward “in vivo virtual histology” of ovarian follicles and corpora lutea by ultrasound biomicroscopy 
Pilar Pallares, M.V.D., Claudia Letelier, M.V.D., Antonio Gonzalez-Bulnes, Ph.D. 
Fertility and Sterility 
Volume 91, Issue 2, Pages (February 2009)
DOI: /j.fertnstert
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Imaging of a corpus luteum by ultrasound biomicroscopy (left) and histology (right). It is possible to differentiate the outlines and organization of the luteal cells and the presence of a central cavity.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Differentiation, by ultrasound biomicroscopy (left) and histology (right), of the limits between antrum, granulosa (GC), and theca cells (TC) and surrounding tissue in a preovulatory follicle.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

4. Figure 3
Imaging, by ultrasound biomicroscopy (left) and histology (right), of the cumulus–oocyte complex (COC) in the follicular fluid.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions