However, relative to PVCs, nondifferentiated
cells have more abundant free
ribosomes. In the lamellar epithelium, the nucleus
of the basal undifferentiated cells often sits on the
basal lamina above the pillar cell body. In epithelia
that are thicker than two cell layers (filament
epithelium), intermediate non-differentiated cells
are found. Desmosomes are found between nondifferentiated
cells and pavement cells. Hemidesmosomes
connect the basal undifferentiated cells
to the basal lamina anchoring the epithelium.
Caveolae, non-clathrin-coated plasma membrane
invaginations, can also be found along this cell
boarder as well.
However, relative to PVCs, nondifferentiatedcells have more abundant freeribosomes. In the lamellar epithelium, the nucleusof the basal undifferentiated cells often sits on thebasal lamina above the pillar cell body. In epitheliathat are thicker than two cell layers (filamentepithelium), intermediate non-differentiated cellsare found. Desmosomes are found between nondifferentiatedcells and pavement cells. Hemidesmosomesconnect the basal undifferentiated cellsto the basal lamina anchoring the epithelium.Caveolae, non-clathrin-coated plasma membraneinvaginations, can also be found along this cellboarder as well.
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