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Fig. 4. Immunofluorescence of Cx43 in antral follicles with or without a 1 hour
exposure to LH. (A) Cumulus-oocyte region. Upper panels show
scanning transmission differential interference contrast (DIC) images, middle
panels show total Cx43 fluorescence, and lower panels show overlayed images.
(B) Mural granulosa region, showing overlayed images as in A. The
images are representative of eight follicles without LH, and seven with LH;
both the cumulus and the mural granulosa regions were examined in each
follicle.