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Fig. 1 | Reproductive Biology and Endocrinology

Fig. 1

From: In vivo antral follicle wall biopsy: a new research technique to study ovarian function at the cellular and molecular levels

Fig. 1

Transvaginal ultrasound transducer used for the follicle wall biopsy (FWB) procedures. a–d Biopsy forceps located inside of a 12 G needle/ cannula and advancing through the needle guide of the transvaginal ultrasound probe handle; e biopsy mark (arrow) in the wall of a 29-mm follicle after harvesting the biopsy sample; f close-up of the tip of the biopsy forceps opened within the cannula; g handle of the transvaginal ultrasound probe showing the biopsy forceps within the cannula and introduced through the needle guide; h biopsy mark (arrow) in the wall of a 27-mm follicle after harvesting the biopsy sample; e and h the vascularity of the follicle wall is evident in both follicles; i − n typical FWB samples obtained in vivo from different follicle sizes

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Reproductive Biology and Endocrinology

ISSN: 1477-7827

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