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פרק 25
ספרמטוגנסיס (יצירת תא זרע)ֿ
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…
אאוגנסיס (יצירת תא ביצית)
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…
הפרייה
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…
ביקוע ופיצול
After a large-single-celled zygote is produced via fertilization, the process of cleavage occurs while zygotes travel through the uterine tube.…
גסטרולציה
Gastrulation establishes the three primary tissues of an embryo: the ectoderm, mesoderm, and endoderm. This developmental process relies on a series…
נוירולציה
Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the…
נדידת תאים
Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms…
הכרעה
During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination.…
מיקרוסקופי של שמרי ביקוע Lifecycle המיני
The fission yeast Schizosaccharomyces pombe has been an invaluable model system in studying the regulation of the mitotic cell cycle progression, the…
ניתוח של הפרדת כרומוזום, אצטון היסטון, ומורפולוגיה ציר ב סוס ביציות
The field of assisted reproduction has been developed to treat infertility in women, companion animals, and endangered species. In the horse,…
תרגולי דגם: רכישת מיומנויות של לייזר Fetoscopic Photocoagulation של Monochorionic Diamniotic טווין השליה באמצעות סימולטורים מציאותי
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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