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The germinal disc, also known as the blastodisc, is a small, circular area found on the surface of an egg, particularly in bird and reptile eggs. Its primary function is to facilitate the development of the embryo; it contains the cells that will eventually divide and differentiate into the various tissues of the organism. The germinal disc is crucial for fertilization, as it is the site where the sperm enters the egg, leading to the formation of the zygote and subsequent embryonic development.
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What is the white dot on top of the yolk?
The white dot on top of the yolk is called the germinal disc or blastodisc. This small, white spot is where fertilization occurs if the egg is fertilized, allowing for the development of an embryo. In unfertilized eggs, the germinal disc remains but does not develop into a chick. Its presence indicates the potential for life, even if the egg has not been fertilized.
What is the function of germinal layer?
The germinal layer, also known as the germinal epithelium, is a layer of cells in the ovary responsible for the production and development of oocytes (egg cells) and is crucial for gametogenesis. In the context of skin, the germinal layer refers to the stratum germinativum, where new skin cells are continuously generated through cell division. This layer plays a vital role in replenishing cells lost through wear and tear, ensuring the maintenance and protection of the skin. Overall, the germinal layer is essential for the growth and regeneration of specific tissues in the body.
When was Germinal - novel - created?
Germinal - novel - was created in 1885.
When was Germinal Peiro born?
Germinal Peiro was born in 1953.
Can fertilized chicken eggs still be incubated if they freeze?
No. Freezing kills the germinal disc and prevents growth after thaw. The frozen egg will also expand and crack making it impossible to incubate.
When did Repository for Germinal Choice end?
Repository for Germinal Choice ended in 1999.
When was Repository for Germinal Choice created?
Repository for Germinal Choice was created in 1980.
When was Germinal - Uruguayan newspaper - created?
Germinal - Uruguayan newspaper - was created in 1921.
When did Germinal - Uruguayan newspaper - end?
Germinal - Uruguayan newspaper - ended in 1931.
What is the purpose of the tiny white dot of an egg?
It's called the germinal disc or blastodisc - a small, circular, white spot (2-3 mm across) on the surface of the yolk; it is where the sperm enters the egg. The nucleus of the egg is in the blastodisc.
What is Germinal Pierre Dandelin's birthday?
Germinal Pierre Dandelin was born on April 12, 1794.
When was Germinal Pierre Dandelin born?
Germinal Pierre Dandelin was born on April 12, 1794.
