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Related Concept Videos

Spermatogenesis01:41

Spermatogenesis

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Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
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Spermatogenesis01:22

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Spermatogenesis is a complex process that involves the development of sperm cells from undifferentiated stem cells in the seminiferous tubules of the testes. The process is essential for the production of mature and functional sperm cells that are capable of fertilizing an egg.
The process of spermatogenesis can be divided into mitosis, meiosis, and spermiogenesis. During mitosis, the spermatogonia or stem cells divide to produce two identical daughter cells, type A and B spermatogonia. Type-A...
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Zygotic Development And Stem Cell Formation01:10

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The development of all multicellular organisms starts with the fusion of haploid cells called sperm and egg to form a diploid zygote. A zygote is a totipotent cell that can develop into a complete organism. The zygote undergoes cell division or cleavage to form an 8-cell mass. Until this stage, the cells are spherical, loosely attached, and remain totipotent. Totipotent cells are capable of developing both the embryonic and the extraembryonic tissues. However, as they continue to divide, they...
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Development of the Sexual Organs in the Embryo and Fetus01:15

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Development of the reproductive organs in an embryo starts from a bipotential state. This means the early embryo can develop either male or female reproductive organs. The formation of these organs begins with the growth of gonadal ridges that arise from the intermediate mesoderm during the fifth week of development.
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the...
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Cleavage and Blastulation01:33

Cleavage and Blastulation

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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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Derivation and Differentiation of Canine Ovarian Mesenchymal Stem Cells
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Step by Step about Germ Cells Development in Canine.

Aline Fernanda de Souza1, Naira Caroline Godoy Pieri1, Daniele Dos Santos Martins1

  • 1Department of Veterinary Medicine, Faculty of Animal Sciences and Food Engineering, University of São Paulo, Pirassununga 13635-900, Brazil.

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This review details canine germ cells, crucial for species continuity. Understanding canine primordial germ cells (PGCs) offers insights into reproductive health and potential stem cell therapies.

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canineprimordial germ cellsspermatogonial stem cells

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Area of Science:

  • Reproductive Biology
  • Developmental Biology
  • Comparative Genomics

Background:

  • Primordial germ cells (PGCs) are vital for species' generational continuity.
  • Germ cell development failures threaten species conservation.
  • Canine models offer valuable insights for human and veterinary reproductive research.

Purpose of the Study:

  • To provide a comprehensive review of current knowledge on canine germ cells.
  • To discuss canine germ cell development from origin to specification.
  • To explore in vitro applications of canine embryonic germ cells and spermatogonial stem cells.

Main Methods:

  • Literature review synthesizing existing research on canine germ cells.
  • Analysis of developmental pathways and origins of canine germ cells.
  • Exploration of in vitro techniques for canine germ cell research.

Main Results:

  • Detailed overview of canine germ cell development, including spermatogonial origins.
  • Identification of canine models as valuable for translational stem cell research.
  • Exploration of canine embryonic germ cells and spermatogonial stem cells for reproductive applications.

Conclusions:

  • Canine germ cells are essential for understanding reproductive biology and conservation.
  • Canine models provide a robust platform for advancing stem cell therapies and veterinary reproduction.
  • Further research into canine germ cells can unlock new reproductive strategies.