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）
【復數】 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】 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石的中心

來源：
Latin nodus
拉丁語 nodus