Ovaries (upper left) removed from a cow on day 7 after calving.  Typifying the period of postpartum anestrus, neither ovary shows any evidence of a corpus luteum and only small follicles are present.  A cross section of the right ovary (upper right) reveals several small follicles.  The right ovary also is shown in an ultrasonogram (lower left).  The small follicles (1), ovarian stroma (5) and an artifact (8) are labeled in a diagram of the ultrasonogram (lower right).  The ruler units are cm.

Bovine ovaries on day 7 postpartum

Credit: Pieterse MC (1999)

Digital Credit: Maarten Drost

Publisher: None

Rights: Name must appear as a credit whenever the image is used -

Description: Ovaries (upper left) removed from a cow on day 7 after calving. Typifying the period of postpartum anestrus, neither ovary shows any evidence of a corpus luteum and only small follicles are present. A cross section of the right ovary (upper right) reveals several small follicles. The right ovary also is shown in an ultrasonogram (lower left). The small follicles (1), ovarian stroma (5) and an artifact (8) are labeled in a diagram of the ultrasonogram (lower right). The ruler units are cm.

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