Bölüm 25
Üreme ve Gelişme
Spermatogenez
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 ...
Oogenez
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 from ...
Dölleme
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 ...
Bölünme ve Patlatma
After a large-single-celled zygote is produced via fertilization, the process of cleavage occurs while zygotes travel through the uterine tube. Cleavage ...
Gastrulasyon
Gastrulation establishes the three primary tissues of an embryo: the ectoderm, mesoderm, and endoderm. This developmental process relies on a series of ...
Nörulasyon
Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three ...
Hücre Göçü
Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms ...
Kararlılık
During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. ...
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