Definition
noun
The large nucleus of the primary oocyte before meiosis is completed and polar bodies are formed.
Supplement
At birth, the germinal vesicle is and remains to be diploid until puberty is reached. It is because the maturation of primary oocyte into a fertilizable form by meiosis halts at the diplotene stage of prophase I and resumes only when puberty is reached.
See also: primary oocyte, diplotene.
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of simple diffusion, facilitated diffusion, active transport, osmosis, endocytosis, exocytosis, epithelial transport, or glandular secretion. This tutorial provides elaborate details on each of these mechanisms. Find out how. ..
The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis and the ensuing post-translational steps. Read this tutorial for more info...
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the different components and functions of the human circulatory system dealt with in detail in this tutorial. The lymphatic system is also elucidated elaborately here...
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced so that at fertilization a diploid zygote forms. This tutorial is an in-depth study guide regarding male and female reproductive physiology...