song nhân
Definition
- Noun (Biology, Mycology):
- Dicaryon / Dikaryon: A cell, spore, or mycelium containing two genetically distinct, haploid nuclei that coexist and divide in a coordinated manner. This is a stage in the life cycle of some fungi, notably basidiomycetes and some ascomycetes, following plasmogamy (cytoplasmic fusion) and preceding karyogamy (nuclear fusion).
Usage Examples
- Noun:
- Giai đoạn song nhân là đặc trưng của nhiều loại nấm. (The dicaryon stage is characteristic of many types of fungi.)
- Tế bào song nhân được hình thành sau khi hai sợi nấm hợp nhất. (A dikaryotic cell is formed after two fungal hyphae fuse.)
Advanced Usage
- "Sợi nấm song nhân": dikaryotic hypha.
- Sợi nấm song nhân có thể phát triển rất nhanh. (Dikaryotic hyphae can grow very rapidly.)
Variants and Related Words
Song nhân tính (n): dikaryosis (the condition or state of being dikaryotic).
- Song nhân tính là một giai đoạn quan trọng trong vòng đời nấm. (Dikaryosis is an important stage in the fungal life cycle.)
Đơn nhân (n): monokaryon (a cell with a single nucleus).
- Giai đoạn đơn nhân xảy ra trước giai đoạn song nhân. (The monokaryon stage occurs before the dicaryon stage.)
Synonyms
- Dikaryon: The more common scientific term in English.
- Dicaryon: An alternative spelling.
Related Scientific Terms
- Plasmogamy: The fusion of cytoplasm from two parent cells without fusion of their nuclei.
- Karyogamy: The final step in the fusion of two cells, where the nuclei merge.
- Haploid: Having a single set of chromosomes.
- Basidiomycete: A major division of fungi (club fungi) where the dikaryotic phase is prominent.