bench definition, bench meaning | English dictionary. bench. n an apparatus for experimentation in optics, typically consisting of an adjustable arrangement of light source, lenses, prisms, etc. bench.
3 Principal characteristics of cells that make up epithelium. -Cells are closely apposed-they adhere to one another via specialized cell junctions-Exhibit both structural and functional polarity-Epithelium creates a selective barrier between the external environment and the underlying connective tissue.î î î.Cells are closely apposed-they adhere to one another via specialized cell junctions-Exhibit both structural and functional polarity-Epithelium creates a selective barrier between the external environment and the underlying connective tissue. î î î.
Respiratory epithelium separated by bands of inflamed tissue and muscle. Skin is epithelial tissue more than one cell thick and known as stratified epithelium. Epithelial cells lining the digestive tract -- including those of the esophagus, stomach and intestines -- undergo continuous division.fBoyle-- Yes, that's normal because epithelial cells line the vagina, the bladder, the urethra and even the kidney. When these cells are renewing, or when there is some inflammation due to an infection, it's normal for some of the epithelial tissue to be passed into the urine.