Epithelial cells are the cells your body uses to line tubes, among other things, and the term renal refers to the kidney.
So they are saying that in the urine they found some cells that normally line tubes, but they could tell they weren't from the kidney. This could mean they came from the bladder, the ureters, urethra, or even someplace else.
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Non-renal epithelial cells in the urine refer to cells originating from sources other than the kidney. These cells can come from the urethra, bladder, or other parts of the urinary tract. Their presence in the urine sample can indicate inflammation, infection, or other abnormalities in the urinary tract.
Not normally, as these can just be epithelial (surface) cells normally sloughed off from the bladder wall as they die and are replaced.
Squamous epithelial cells are scale like layers of cells that pose no risk. When referencing rare squamous epithelial cells it just means that there are not a lot of them.
White blood cells (WBC) in sputum indicate inflammation or infection in the respiratory tract. Epithelial cells in sputum are cells from the lining of the respiratory tract shed during illness or inflammation. Both can provide valuable information to healthcare providers about the underlying condition causing respiratory symptoms.
Epithelial skin refers to the outermost layer of the skin, known as the epidermis. The epidermis is made up of epithelial cells that act as a protective barrier against external factors such as pathogens, UV radiation, and dehydration. This layer also plays a role in regulating temperature and preventing water loss from the body.
"Stratified" in "stratified squamous epithelium" refers to the multiple layers of cells present in this type of epithelial tissue. It is named as such because the cells are arranged in layers, with the outermost layers being squamous (flat and scale-like) in shape. These layers provide protection and serve different functions depending on their location in the body.
Finding skin cells in urine could indicate that there is damage or inflammation in the urinary tract lining, allowing shedding skin cells to enter the urine. It may be a sign of a urinary tract infection, kidney disease, or other underlying medical conditions that need further evaluation by a healthcare provider.