đại giao tử
Definition
- Noun (Biology):
- Macrogamete: The larger, usually non-motile female gamete (reproductive cell) in anisogamous reproduction. It is typically nutrient-rich and designed to be fertilized by a smaller, motile male gamete (microgamete).
Usage Examples
- Noun:
- Trong quá trình sinh sản của động vật nguyên sinh, đại giao tử được hình thành từ thể giao tử cái. (In the reproduction of protozoa, the macrogamete is formed from the female gametocyte.)
- Đại giao tử thường chứa nhiều chất dinh dưỡng dự trữ. (The macrogamete often contains abundant stored nutrients.)
Advanced Usage
- The term is primarily used in specialized biological and medical contexts, such as parasitology or the study of certain algae and protozoa (e.g., , the malaria parasite).
Variants and Related Words
- Giao tử (n): gamete; the general term for a mature haploid reproductive cell.
- Tiểu giao tử (n): microgamete; the smaller, usually motile male gamete.
- Tế bào trứng (n): ovum; the common term for the female gamete in animals, often synonymous with "đại giao tử" in specific contexts.
Synonyms
- Macrogamete (Biology): The direct and most precise English equivalent.
- Female gamete: A more general descriptive term.
Related Terms
- Sự thụ tinh (n): fertilization; the process where the macrogamete and microgamete fuse.
- Dị giao tử (n): anisogamy; a form of sexual reproduction involving gametes of different sizes.