Egg Strip Placement

Egg strip placement is a biological handling technique in which a strip carrying eggs is positioned in a controlled location for incubation, observation, or experimental manipulation. The procedure depends on securing the strip without damaging the eggs, maintaining their orientation and spacing, and preserving the temperature, moisture, and other environmental conditions required for development. Consistent placement improves embryo accessibility and helps researchers monitor developmental changes, compare treatments, and collect reproducible observations. In biology laboratories, this simple preparation step supports developmental studies, microscopy, organismal culture, and experiments that require precise timing or spatial organization of eggs.

Egg Strip Placement - Related Videos

Research

JoVE Journal - Biology

Windowing Chicken Eggs for Developmental Studies

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Cited by 37 •

2007

The ease of accessibility of the embryo has allowed for experiments to map cell fates using several approaches, including chick quail chimeras and focal dye labeling. In this article we demonstrate one egg preparation method that has been optimized for long survival times.

Education

JoVE Science Education - Clinical Skills

Arterial Line Placement

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2023

Source: Sharon Bord, MD, Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA When monitoring patients, it is important to obtain values that are accurate and reliable. Blood pressure monitoring is one of the essential vital signs, and for a majority of patients, measuring it utilizing non-invasive techniques provides accurate values. However, there are situations in which the blood pressure requires more exact, specific, and reliable measurements.

Intraosseous Needle Placement

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2023

Source: Julianna Jung, MD, FACEP, Associate Professor of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA For unstable patients requiring urgent administration of medications, fluids, or blood products, establishing vascular access quickly is essential. However, there are many factors that can complicate placement of a peripheral intravenous cannula (PIV), and it is extremely common for PIV attempts to fail. PIV placement may be technically challenging in small...

Egg Laying Assay: A Method to Quantify the Egg-Laying Behavior of C. elegans

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2023

C. elegans egg-laying behavior can provide important information in developmental, reproductive, and anatomical studies. This video introduces the important steps of an egg laying assay and shows a sample experiment in which a drug is tested for reproductive toxicity.

Drosophila Egg Collection and Dechorionation: A Method to Remove the Outermost Egg Layer

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2023

The Drosophila embryo is surrounded by protective outer membranes. To gain access to the embryo, the chorion–the outermost of the membranes–is often removed. This video describes a commonly used method of dechorionation using sodium hypochlorite. The example protocol demonstrates the procedure while employing sterile techniques necessary for axenic or gnotobiotic animal rearing.

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