Sentence:  Microscopically , both kidneys showed <WSD>many</WSD> small cortical scars in which there was glomerular and interstitial fibrosis , tubular atrophy , and an infiltration of lymphocytes and plasma cells . 
Meaning of the word marked with <WSD> tags:  a quantifier that can be used with count nouns and is often preceded by `as' or `too' or `so' or `that'; amounting to a large but indefinite number