名詞 nidus:

1. a central point or locus of an infection in an organism
   同義詞：focus, focal point
2. a nest in which spiders or insects deposit their eggs

ni.dus

n.（名詞）
【復(fù)數(shù)】 ni.dus.es 或 ni.di [-do]
A nest, especially one for the eggs of insects, spiders, or small animals.
儲卵巢：巢，尤指昆蟲、蜘蛛或小動物的卵所聚積的地方
A cavity where spores develop.
孢窩：孢子生長發(fā)育的洞
Pathology A central point or focus of bacterial growth in a living organism.
【病理學(xué)】 滋生的地方，生長處：在活的有機物中細菌滋長的中心點或聚集地
A point or place at which something originates, accumulates, or develops, as the center around which salts of calcium, uric acid, or bile acid form calculi.
發(fā)源地：某些東西發(fā)源、積聚或發(fā)展的地方，比如鈣鹽、尿酸或膽汁酸形成結(jié)石的中心

來源：
Latin nodus
拉丁語 nodus