Digital Histology
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Polarity

Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x

Lumen <p>Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x</p>

Lumen

Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x
Plasma membranes <p>Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x</p>

Plasma membranes

Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x
Microvilli <p>Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x</p>

Microvilli

Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x
Endocytic vesicles <p>Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x</p>

Endocytic vesicles

Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x
Mitochondira <p>Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x</p>

Mitochondira

Polarity is a feature of a cell which is exhibited when the organelles are not homogenously distributed in the cytoplasm.  This epithelium lining a kidney tubule shows polarity: the base of each cell contains numerous mitochondria; the apex of each cell contains numerous endocytotic vesicles and microvilli that project into the lumen. 6000x
Main SlideLumenPlasma membranesMicrovilliEndocytic vesiclesMitochondira