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Related Concept Videos

Fertilization01:38

Fertilization

During fertilization, an egg and sperm cell fuse to create a new diploid structure. In humans, the process occurs once the egg has been released from the ovary, and travels into the fallopian tubes. The process requires several key steps: 1) sperm present in the genital tract must locate the egg; 2) once there, sperm need to release enzymes to help them burrow through the protective zona pellucida of the egg; and 3) the membranes of a single sperm cell and egg must fuse, with the sperm...
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Cleavage and Blastulation

After a large-single-celled zygote is produced via fertilization, the process of cleavage occurs while zygotes travel through the uterine tube. Cleavage is a mitotic cell division that does not result in growth. With each round of successive cell division, daughter cells get increasingly smaller.
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Embryonic Connective Tissues

During early development, the embryo forms two types of connective tissues— the mesenchyme and mucoid connective tissue.
The mesenchyme is the first connective tissue that emerges in the developing embryo. It consists of loosely arranged multipotent mesenchymal cells and reticular fibers in the extracellular matrix. This loose arrangement allows easy migration of cells, which is essential for germ layer positioning, patterning, and organ morphogenesis during embryonic development. Mesenchyme is...

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Terminologies for the pre-attachment bovine embryo.

Jaana Peippo1, Zoltan Machaty, Augustine Peter

  • 1MTT Agrifood Research Finland, Biotechnology and Food Research, FI-31600 Jokioinen, Finland.

Theriogenology
|August 23, 2011
PubMed
Summary

This review clarifies terminology for bovine embryo development, focusing on the pre-attachment period. It revisits outdated terms and proposes scientifically accurate, contemporary language for assisted reproductive technology (ART).

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Area of Science:

  • Reproductive Biology
  • Embryology
  • Veterinary Science

Background:

  • Extensive literature exists on bovine embryo development and assisted reproductive technology (ART).
  • Specialized terminology for bovine embryos varies in clarity, accuracy, and scientific relevance.
  • Outdated terms like 'syngamy' and 'embryo resorption' require re-evaluation.

Purpose of the Study:

  • To provide an overview of current knowledge on the bovine embryo's pre-attachment period.
  • To define and clarify specialized terminology used in bovine embryology.
  • To propose contemporary and biologically accurate terms, replacing antiquated ones.

Main Methods:

  • Literature review of bovine embryo development and ART.
  • Analysis of conventional terminology for bovine embryos.
  • Proposal of updated and novel terminology based on biological principles.

Main Results:

  • Identified numerous terms used to describe bovine embryos, with varying degrees of accuracy and usability.
  • Highlighted the need to revisit and redefine terms related to early embryonic events.
  • Presented a framework for understanding and applying precise terminology in bovine embryology.

Conclusions:

  • Accurate and consistent terminology is crucial for advancing bovine embryo research and ART.
  • Revisiting and updating terminology ensures scientific rigor and clarity in the field.
  • The proposed terminology aims to enhance understanding and application of bovine embryology concepts.