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Kapitel 25

Fortpflanzung und Entwicklung

Spermatogenese
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…
Oogenese 494
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways…
Befruchtung
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…
Spaltung und Sprengung
After a large-single-celled zygote is produced via fertilization, the process of cleavage occurs while zygotes travel through the uterine tube.…
Gastrulation
Gastrulation establishes the three primary tissues of an embryo: the ectoderm, mesoderm, and endoderm. This developmental process relies on a series…
Neurulation
Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the…
Zellmigration 420
Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms…
Bestimmung
During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination.…
Mikroskopie von Fission Yeast Sexual Lifecycle
The fission yeast Schizosaccharomyces pombe has been an invaluable model system in studying the regulation of the mitotic cell cycle progression, the…
Analyse der Chromosomensegregation, Histonacetylierung und Spindelmorphologie in Pferdeozyten
The field of assisted reproduction has been developed to treat infertility in women, companion animals, and endangered species. In the horse,…
Modell chirurgische Ausbildung: Kompetenzentwicklung in Fetoscopic Laser Photokoagulation monochorialen dichorial Twin Plazenta mit realistischen Simulatoren
Fetoscopic laser coagulation of arterio-venous anastomoses (AVA) in a monochorionic placenta is the standard of care for twin-twin transfusion…

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