Fetal Organ Dissection
Fetal Organ Dissection - Related Videos
10:18
Dissection of Organs from the Adult Zebrafish
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Cited by 168 •
2010
This protocol describes a procedure for identifying and dissecting organs from the adult zebrafish.
07:04
Human Placental and Decidual Organ Cultures to Study Infections at the Maternal-fetal Interface
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A simple method to establish primary human placental (villous) and decidual organ cultures is described. Villous and decidual organ cultures are invaluable tools for studying pathogenesis at the human maternal-fetal interface. Infection with the facultative intracellular bacterium Listeria monocytogenes is demonstrated.
09:47
Using Ex Vivo Upright Droplet Cultures of Whole Fetal Organs to Study Developmental Processes during Mouse Organogenesis
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Cited by 13 •
2015
The ex vivo upright droplet culture is an alternative to current in vitro and in vivo experimental techniques. This protocol is easy to perform and requires smaller amounts of reagent, while permitting the ability to manipulate and study fetal vascularization, morphogenesis, and organogenesis.
04:07
Larval Ring Gland Dissection: Isolation of Developmental Endocrine Organs from Drosophila
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2023
This video describes the Drosophila ring gland, a complex endocrine structure important for biosynthesis and secretion of ecdysteroids and other hormones. The featured protocol demonstrates its dissection, fixation, and immunostaining.
12:07
An Optimized Procedure for Fluorescence-activated Cell Sorting (FACS) Isolation of Autonomic Neural Progenitors from Visceral Organs of Fetal Mice
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Cited by 6 •
2012
An optimized procedure to purify neural crest-derived neuronal progenitors from fetal mouse tissues is described. This method takes advantage of expression from fluorescent reporter alleles to isolate discrete populations by fluorescence-activated cell sorting (FACS). The technique can be applied to isolate neuronal subpopulations throughout development or from adult tissues.
FAQs
The key interpretive value lies in relating visible features to tissue differentiation, growth, and morphogenesis. Observations of organ size, shape, position, and connections provide anatomical evidence of how developing tissues become organized into coordinated systems. This relationship helps developmental biologists move from describing fetal structures to examining how developmental processes shape their arrangement and emerging functional organization.
Examining specimens at defined developmental stages reveals how organ features change during prenatal development. Comparisons across stages can identify patterns in growth, changing position, or evolving connections, while comparisons across species can distinguish shared from differing developmental anatomy. These comparisons establish reference patterns that are useful for interpreting unusual structures and investigating developmental variation.
Dissection can clarify how organs are positioned relative to one another and how their connections are arranged within the developing body. These spatial relationships provide context for coordinated organ-system formation, rather than treating each organ as an isolated structure. In developmental biology, that anatomical context supports interpretation of morphogenesis, the process through which organized forms arise during development.
A typical workflow begins by carefully exposing the fetal specimen, then separating organs sufficiently to examine their individual features and relationships. Researchers document size, shape, position, and connections at a defined developmental stage. The resulting anatomical record can then be compared with other stages or specimens, creating a structured basis for developmental analysis.
Dissection supplies anatomical context that can be combined with microscopy, imaging, or molecular analysis. These complementary approaches connect whole-organ structure with finer observations or molecular information, helping clarify how developmental processes produce organ systems. The combined evidence is especially useful when visible anatomy alone cannot explain the tissue-level or molecular basis of an observed feature.
It is useful when researchers need to compare an atypical fetal structure with established developmental anatomy. Documentation of organ size, shape, position, and connections can reveal where an arrangement differs from expected patterns. When paired with imaging, microscopy, or molecular analysis, the anatomical findings provide context for investigating how disrupted developmental processes may relate to congenital abnormalities.