Blastocyst Morphometry

Blastocyst morphometry is the quantitative assessment of a blastocyst’s size, shape, and structural features, providing a standardized way to describe embryos during preimplantation development. It typically uses microscopy or image analysis to measure features such as overall diameter, blastocoel expansion, and the relative morphology of the inner cell mass and trophectoderm, converting visual observations into numerical parameters. In bioengineering, these measurements support embryo culture optimization, automated imaging workflows, and the design of models that relate physical architecture to developmental state. Morphometric data can also improve reproducibility when comparing culture conditions, developmental outcomes, or engineered reproductive systems.

Blastocyst Morphometry - Related Videos

Education

JoVE Science Education - Psychology

Measuring Grey Matter Differences with Voxel-based Morphometry: The Musical Brain

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2023

Source: Laboratories of Jonas T. Kaplan and Sarah I. Gimbel—University of Southern California Experience shapes the brain. It is well understood that our brains are different as a result of learning. While many experience-related changes manifest themselves at the microscopic level, for example by neurochemical adjustments in the behavior of individual neurons, we may also examine anatomical changes to the structure of the brain at a macroscopic level. One famous example of this kind of change...

Research

JoVE Journal - Developmental Biology

Human Blastocyst Biopsy and Vitrification

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Cited by 36 •

2019

Blastocyst biopsy and vitrification are required to efficiently conduct preimplantation genetic testing. An approach entailing the sequential opening of the zona pellucida and retrieval of 7-8 trophectoderm cells in day 5-7 post-insemination limits both the number of manipulations required and the exposure of the embryo to sub-optimal environmental conditions.

Shunt Surgery, Right Heart Catheterization, and Vascular Morphometry in a Rat Model for Flow-induced Pulmonary Arterial Hypertension

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Cited by 15 •

2017

This protocol describes a surgical procedure to create a model for flow-induced pulmonary arterial hypertension (PAH) in rats and the procedures to analyze the principle hemodynamic and histological end-points in this model.

Derivation of Mouse Trophoblast Stem Cells from Blastocysts

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Cited by 7 •

2010

In this video, we demonstrate the isolation of mouse blastocysts and the derivation of trophoblast stem cells from blastocysts. We also describe conditions for maintenance of the stem cell property as well as induction of differentiation in culture.

Research

JoVE Journal - Developmental Biology
Free Sample

Protocol for Human Blastoids Modeling Blastocyst Development and Implantation

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Cited by 6 •

2022

A protocol outlining the formation of human blastoids that efficiently, timely, and sequentially generate blastocyst-like cells.

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