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Polarity

By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x

Lumen <p>By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x</p>

Lumen

By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x

Microvilli <p>By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x</p>

Microvilli

By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x

Endocytic vesicles <p>By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x</p>

Endocytic vesicles

By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x

Lysosomes <p>By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x</p>

Lysosomes

By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x

Mitochondira <p>By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x</p>

Mitochondira

By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x

Nucleus <p>By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x</p>

Nucleus

By electron microscopy, the polarized arrangement of cellular structures is evident. These epithelial cells lining a kidney tubule show polarity: the basal regions contains numerous mitochondria; the apical regions contain endocytic vesicles and lysosomes, and extend microvilli that project into the lumen. 6000x