LD42.1
四倍体
Tetraploidy
- 上级条目
- LD42 多倍体
- 层级
- 4 级
定义
由两组额外染色体引起的疾病，总共92条染色体。这种疾病通常导致妊娠早期自然流产。四倍体的个体活产非常罕见。这些病例的特点是面部畸形、严重生长和发育迟缓。通过染色体核型分析观察另外两组染色体来确诊。
A disease caused by two additional sets of chromosomes, for a total of 92 chromosomes. This disease commonly results in spontaneous abortion during the first trimester. Live births of tetraploidy individuals are very rare. These cases are characterised by facial dysmorphism, severely delayed growth and developmental delay. Confirmation is through observation of two additional sets of chromosomes by karyotyping.
索引词 可用于检索该条目的同义词与别名
- 四倍体
英文词条（1）
- Tetraploidy
后组配轴 Postcoordination
该条目未定义后组配轴，直接使用上面的编码即可。后组配是在主干编码之后追加侧别、具体解剖部位、严重程度、病因等细节的可选组合方式，不是必填项。