focus nidus focus of infection
Small lesions may exhibit no caseation, and no organism may be demonstrated.
微小病灶可不出现干酪性坏死, 也查不到细菌。
—— 辞典例句Both lungs will have innumerable metastatic foci and lymphangitic involvement.
双侧肺内出现无数的转移病灶和淋巴管性播散。
—— 辞典例句In sarcoidosis there are noncaseating granulomas.
肉样瘤病的肉芽肿无干酪化病灶。
—— 辞典例句Small lesions may exhibit no caseation.
微小病灶可不出现干酪性坏死。
—— 辞典例句These are known as local lesions.
这些症状称之为局部病灶。
—— 辞典例句