phôi bì

Trong giai đoạn đầu, phôi bì được hình thành từ sự phân chia tế bào.

Definition

1. Noun (Biology, Embryology):
   • Blastoderm: The primary cellular layer formed during the early embryonic development of many animals, particularly in birds, reptiles, and some other species. It is the layer of cells that results from the cleavage of the fertilized egg and from which the embryo develops.
   • Germinal layer: A fundamental tissue layer in an early embryo from which more specialized tissues and organs will form.

Usage Examples

• Noun:
  • Trong giai đoạn đầu, phôi bì được hình thành từ sự phân chia tế bào. (In the early stage, the blastoderm is formed from cell division.)
  • Các nhà khoa học nghiên cứu sự phát triển của phôi bì ở gà. (Scientists study the development of the blastoderm in chickens.)

Advanced Usage

• This term is highly specialized and is used almost exclusively in academic, scientific, and medical contexts related to embryology, developmental biology, and veterinary science.

Variants and Related Words

• Lá phôi (n): Germ layer. Refers to the primary layers (ectoderm, mesoderm, endoderm) that form from the blastoderm.
  • Ba lá phôi cơ bản phát triển từ phôi bì. (The three basic germ layers develop from the blastoderm.)

Synonyms

• Blastoderm: The primary cellular layer in early embryos.
• Germinal disc: A related term often used specifically for the blastoderm in avian and reptilian eggs.

Notes on Usage

• "Phôi bì" is a technical scientific term. It is not used in everyday conversation.
• It is important not to confuse "phôi bì" (blastoderm) with the more general term "phôi" (embryo) or with "biểu bì" (epidermis).