 
 <translate> To answer the above question, the relevant sentence is: It is located in the brush border of the small intestine of humans and other mammals.
Therefore, the answer is in the brush border of the small intestine. <ibo> Iji zaa ajụjụ a dị n'elu, ahịrịokwu ahụ dị mkpa bụ: Ọ dị n'akụkụ eriri afọ nke ụmụ mmadụ na ụmụ anụmanụ ndị ọzọ na-enye nwa ara. N'ihi ya, azịza ya dị n'ime imeju nke obere eriri afọ. 