Ovariectomy Surgery
Ovariectomy Surgery - Related Videos
03:52
The Creation of a Rat Model for Osteosarcopenia via Ovariectomy
0 Views •
2025
This current protocol outlines a procedure for creating a rat model of osteosarcopenia using ovariectomy.
06:51
Ovariectomy and 17β-estradiol Replacement in Rats and Mice: A Visual Demonstration
0 Views •
Cited by 123 •
2012
Ovariectomy and subsequent replacement of 17β-estradiol by means of silastic capsules and peroral Nutella are demonstrated in rats and mice.
12:13
Considerations for Rodent Surgery
0 Views •
2016
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN The Guide for the Care and Use of Laboratory Animals1 dictates that rodent survival surgery be performed aseptically. Aseptic technique utilizes specific practices that minimize the contamination of the surgical site, including patient preparation, surgeon preparation, sterilization of instruments and other supplies, and the use of a clean and controlled environment. Presurgical planning,...
09:36
Murine Orchiectomy and Ovariectomy to Reduce Sex Hormone Production
0 Views •
Cited by 12 •
2023
This manuscript describes a consistent way to quickly perform survival rodent orchiectomies and ovariectomies.
08:28
Rodent Stereotaxic Surgery
0 Views •
2023
Stereotaxic (or stereotactic) surgery is a method used to manipulate the brain of living animals. This technique allows researchers to accurately target deep structures within the brain through the use of a stereotaxic atlas, which provides the 3D coordinates of each area with respect to anatomical landmarks on the skull. After the skull is exposed, anesthetized animals are mounted on a specialized instrument known as a stereotaxic frame, which enables the precise placement of experimental...
FAQs
The central endocrine effect is a reduction in circulating estrogen and progesterone. This changes feedback relationships among ovarian tissue, the hypothalamus, and the pituitary gland, allowing researchers to examine how altered ovarian signaling reshapes reproductive physiology. In developmental studies, that endocrine change provides a controlled basis for linking hormone availability with developmental outcomes.
Removing one or both ovaries creates experimental conditions with different amounts of ovarian tissue remaining. This distinction allows researchers to examine how the extent of ovarian tissue removal relates to hormone-dependent developmental or reproductive responses. The approach keeps the investigation focused on ovarian endocrine influence while recognizing that the two procedures do not create identical hormone environments.
A hormone-deficient state supports experiments focused on tissue responses and hormone replacement. Researchers can examine developmental or physiological changes associated with reduced estrogen and progesterone and then investigate how tissues respond when ovarian hormonal influence is experimentally reintroduced. This approach helps clarify which observed changes are linked to ovarian endocrine signaling.
The model can be used to ask whether ovarian hormones influence growth, sexual maturation, reproductive tract development, bone formation, or behavior. These endpoints extend beyond reproductive function alone, making the approach valuable for examining how endocrine signals coordinate multiple developmental systems. It can therefore connect hormonal changes with anatomical, physiological, and behavioral outcomes.
Ovarian hormone loss can be examined in relation to bone formation, growth, and behavior as well as reproductive development. This broadens the experimental focus from ovarian and reproductive physiology to tissues and processes influenced by endocrine signaling throughout development. Such applications help reveal how estrogen and progesterone contribute to coordinated changes across different biological systems.
The procedure provides a controlled way to reduce the primary source of ovarian hormones rather than relying only on naturally occurring differences in endocrine state. Researchers can then relate altered estrogen and progesterone exposure to developmental changes in animal models. This experimental control strengthens investigations of how hormonal signals influence maturation, tissue development, and behavior.
Studies can assess changes in reproductive physiology alongside growth, sexual maturation, reproductive tract development, bone formation, and behavior. Examining these outcomes together is informative because ovarian hormones may influence several developmental processes at once. The resulting pattern of responses can help researchers characterize the broader physiological consequences of altered ovarian endocrine signaling.