Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Gastrulation

Gastrulation

Gastrulation establishes the three primary tissues of an embryo: the ectoderm, mesoderm, and endoderm. This developmental process relies on a series of intricate cellular movements, which in humans transforms a flat, “bilaminar disc” composed of two cell sheets into a three-tiered structure. In the resulting embryo, the endoderm serves as the bottom layer, and stacked directly above it is the intermediate mesoderm, and then the uppermost ectoderm. Respectively, these tissue strata will form...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Which animals are at risk? Predicting species susceptibility to Covid-19.

bioRxiv : the preprint server for biology·2020

Same author

Engineered three-dimensional microfluidic device for interrogating cell-cell interactions in the tumor microenvironment.

Biomicrofluidics·2014

Same author

Abstracts of Presentations at the International Conference on Basic and Clinical Multimodal Imaging (BaCI), a Joint Conference of the International Society for Neuroimaging in Psychiatry (ISNIP), the International Society for Functional Source Imaging (ISFSI), the International Society for Bioelectromagnetism (ISBEM), the International Society for Brain Electromagnetic Topography (ISBET), and the EEG and Clinical Neuroscience Society (ECNS), in Geneva, Switzerland, September 5-8, 2013.

Clinical EEG and neuroscience·2013

Same author

Mechanistic analysis of challenge-response experiments.

Biometrics·2013

Same author

Panoramic optical imaging of electrical propagation in isolated heart.

Journal of biomedical optics·2012

Same author

Towards monitoring real-time cellular response using an integrated microfluidics-matrix assisted laser desorption ionisation/nanoelectrospray ionisation-ion mobility-mass spectrometry platform.

IET systems biology·2010

Search research articles

Related Experiment Video

Updated: May 29, 2026

In Ovo Electroporations of HH Stage 10 Chicken Embryos

In Ovo Electroporations of HH Stage 10 Chicken Embryos

Published on: October 31, 2007

A distributed quasi-static ionic current source in the 3-4 day old chicken embryo

I M Thomas¹, S M Freake, S J Swithenby

¹Department of Physics and Astronomy, Vanderbilt University, Nashville, TN 37235.

Physics in Medicine and Biology

|September 1, 1993

Summary

Researchers measured weak magnetic fields from developing chicken embryos using specialized SQUID magnetometers. These magnetic field patterns reveal ionic currents linked to early embryonic development within the egg.

More Related Videos

An ex-ovo Chicken Embryo Culture System Suitable for Imaging and Microsurgery Applications

An ex-ovo Chicken Embryo Culture System Suitable for Imaging and Microsurgery Applications

Published on: October 23, 2010

Chicken Embryo Spinal Cord Slice Culture Protocol

Chicken Embryo Spinal Cord Slice Culture Protocol

Published on: March 25, 2013

Related Experiment Videos

Last Updated: May 29, 2026

In Ovo Electroporations of HH Stage 10 Chicken Embryos

In Ovo Electroporations of HH Stage 10 Chicken Embryos

Published on: October 31, 2007

An ex-ovo Chicken Embryo Culture System Suitable for Imaging and Microsurgery Applications

An ex-ovo Chicken Embryo Culture System Suitable for Imaging and Microsurgery Applications

Published on: October 23, 2010

Chicken Embryo Spinal Cord Slice Culture Protocol

Chicken Embryo Spinal Cord Slice Culture Protocol

Published on: March 25, 2013

Area of Science:

Biophysics
Developmental Biology
Biomagnetism

Background:

Developing embryos generate weak biomagnetic fields from ionic currents.
Measuring these fields requires highly sensitive instrumentation due to their low magnitude (tens of pT).
Understanding these fields can provide insights into embryonic development.

Purpose of the Study:

To measure and characterize the magnetic field patterns near fertilized chicken eggs during early incubation.
To identify the sources of ionic currents generating these biomagnetic fields.
To develop and apply advanced techniques for analyzing weak, spatially varying magnetic fields.

Main Methods:

Utilized high-spatial-resolution Superconducting Quantum Interference Device (SQUID) magnetometers for precise measurements.
Developed specialized imaging algorithms to model and localize current sources.
Collected data from fertilized chicken eggs (Gallus domesticus) during the initial days of incubation.

Main Results:

Successfully measured slowly varying magnetic field patterns around the developing eggs.
Identified a distributed source of ionic currents in the extra-embryonic membranes.
Observed indications of a more localized current source within the embryo itself.

Conclusions:

The study provides strong evidence for biomagnetic field generation by ionic currents in early chicken embryos.
Extra-embryonic membranes are identified as a significant source of these fields.
Localized sources within the embryo may also contribute to the observed magnetic patterns, suggesting complex developmental processes.