Related Experiment Video
Updated: Aug 30, 2026
Analysis of Cardiac Chamber Development During Mouse Embryogenesis Using Whole Mount Epifluorescence
Published on: April 17, 2019
[Morphologic analysis of heart development in the chick embryo]
Insights
Pioneer nerve fibers initiate skeletal muscle development in chick embryos. Early cardiac development may involve groove and neural crest cell interactions with mesodermal cells.
Area of Science:
- Developmental biology
- Embryology
- Cell biology
Context:
- Early embryonic development in chick embryos.
- Formation of skeletal muscle and cardiac tissues.
- Investigating the initial triggers for myogenesis.
Purpose:
- To identify the earliest factors influencing skeletal muscle and myocardial determination.
- To explore potential myogenic starters for the cardiac primordium.
Summary:
- Skeletal muscle determination in chick embryos is influenced by pioneer nerve fibers from the neural tube before 35 incubation hours.
- Myocardial determination may be initiated by groove influence on mesodermal cells and/or contact between neural crest and splanchnopleural cells at the 6-7 somite stage.
Impact:
- Provides insights into the fundamental mechanisms of early muscle development.
- Highlights potential signaling pathways and cellular interactions critical for heart formation.
- Establishes a timeline for key myogenic events in embryonic development.
Abstract:
The skeletal muscle is determined under the influence of the earliest pioneer nerve fibers which grow from the neural tube before the 35th incubation hour in the chick embryo. As far as the myocardial determination is concerned, an initial groove influence on the mesodermal cells of the presumptive cardiac area can be postulated. It may also be pointed out that, at the stage of 6-7 somites, neural crest cells come into contact with splanchnopleural cells. Both of these contacts may be regarded as possible myogenic starters of the heat bud and they are not mutually exclusive.
