Microvilli-Microplicae

The cell surface can also be enlarged by raised, leaf-like formations of the plasmalemma—i.e., by outward extension in the form of folds. The figure shows flat epithelial cells from the canine tongue with a dense pattern of microplicae —i.e., raise d folds of the plasma membrane. Such microplicae folds are commonly observe d in a multitude of patterns. Microplicae also exist at the bottom face of flat epithelial cells, and therefore may play a role in intercellular adhesion. The more pronounced “edges” in this figure correspond to the cell borders. In transmission electron microscopy, vertical cuts show microplicae of ten as short, stump-shape d microvilli.  Located on top of the epithelial cells are two erythrocytes and a rod-shaped form, which can be categorize d as an oral cavity saprophyte.

Scanning electron microscopy; magnification: × 3600

References

Kuehnel, W.(2003). Color Atlas of Cytology, Histology, and Microscopic Anatomy. 4^th edition . Institute of Anatomy Universitätzu Luebeck Luebeck, Germany . Thieme Stuttgar t · New York .

مواضيع ذات صلة

إنقسام الخلية النباتية Plant Cell Division

الرايبوسومات Ribosomes

Ameboid Movement

The Mitochondria Extract Energy From Nutrients

Synthesis of Cellular Structures by Endoplasmic Reticulum and Golgi Apparatus

Ingestion by the Cell—Endocytosis

Comparison of The Animal Cell with Precellular Forms of Life

Cell Cytoskeleton—Filament and Tubular Structures

Mitochondria

Endoplasmic Reticulum

Cell Membrane

Organization of the Cell