Embryo Harvesting
Embryo Harvesting - Related Videos
08:14
Drosophila melanogaster Embryo and Larva Harvesting and Preparation
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2023
Drosophila melanogaster embryos and larvae are easy to manipulate and develop rapidly by mechanisms that are analogous to other organisms, including mammals. For these reasons, many researchers utilize fly embryos and larvae to answer questions in diverse fields ranging from behavioral to developmental biology. Prior to experimentation, however, the embryos and larvae must first be collected. This video will first demonstrate how "egg-laying cups" are used to collect Drosophila embryos on agar...
02:52
Prenatal Mouse Embryos Retrieval: A Procedure to Harvest Embryos from Pregnant Mouse
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2025
This video demonstrates the retrieval of embryos from a pregnant mouse. The recovered perinatal embryos can be used as model systems for studying mammalian development.
08:22
Harvesting and Preparing Drosophila Embryos for Electrophysiological Recording and Other Procedures
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Cited by 23 •
2009
This technique exposes the Drosophila embryonic neuromusculature for immunohistochemistry or electrophysiological recording. It is useful for studying early events in neuromuscular development or performing electrophysiology in mutants that cannot hatch.
12:29
Sterile Tissue Harvest
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2016
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN In 1959 The 3 R's were introduced by W.M.S. Russell and R.L. Burch in their book The Principles of Humane Experimental Technique. The 3 R's are replacement, reduction, and refinement of the use of animals in research. The use of cell lines and tissue cultures that originated from research animals is a replacement technique, as it allows for many experiments to be conducted in vitro. Harvesting...
21:15
Diagnostic Necropsy and Tissue Harvest
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2016
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN Many animal experiments rely on final data collection time points that are gathered from the harvesting and testing of organs and tissues. The use of appropriate methods for the collection of organs and tissues can impact the quality of the samples and the analysis of the data that is gleaned for the testing of the tissues. The method of euthanasia of the animal can also impact the quality of...
FAQs
Embryonic stage provides a developmental reference for interpreting what happens after recovery. When researchers connect the stage at collection with genotype and later developmental outcome, they can compare embryos more consistently and examine changes in brain formation across defined points in development. This organization supports reproducible studies of neurodevelopment and congenital neurological disorders.
Genotype is important because harvested embryos can provide genetically defined experimental material. Linking genotype to developmental outcome helps investigators distinguish inherited biological effects from differences associated with embryonic timing or experimental handling. In neuroscience, that relationship supports animal models for examining how genetic variation relates to brain formation and disease mechanisms.
The recovery site, whether the oviduct or uterus, is a key procedural consideration because embryos are collected from different reproductive locations under controlled conditions. Flushing is used to recover them from the chosen site, after which they may be analyzed, cultured, or transferred. Consistent collection conditions help maintain meaningful comparisons among experimental groups.
A typical workflow begins with timed mating or fertilization, followed by recovery from the donor female. Researchers flush the oviduct or uterus to collect embryos, then direct the material toward analysis, culture, or transfer. This sequence connects reproductive timing with embryo stage and downstream use, making the procedure suitable for planned developmental experiments.
In neuroscience, the method supplies embryos for establishing genetically defined animal models and examining neurodevelopment. Harvested material can also support the generation of neural cells or tissues used to study brain formation and disease mechanisms. These applications allow investigators to relate early developmental biology to neurological conditions within a controlled experimental framework.
Researchers can compare embryonic stage, genotype, and developmental outcome, then use those relationships to interpret differences in brain formation or disease-related development. Depending on the study design, embryos may undergo analysis, culture, or transfer, providing material for downstream investigation rather than a single fixed endpoint. This flexibility supports studies of congenital neurological disorders and potential therapies.