Finally, the malignant potential of an adenomatous polyp is related to how the cells of the polyp organize themselves as seen under the microscope. Cells that organize themselves into tubular structures (tubular adenomas) are less likely to become cancerous than cells that organize themselves into f...
If blood is viewed under a very powerful microscope, the individual blood products can be distinguished easily. The erythrocytes appear red in color, round and of the thickness of tiny doughnuts with a slight depression in the center. Other blood products with a round shape viewed under strong ...
Certain types of depressed scars can be elevated by the injection of a cosmetic skin filler or by fat injection under the scar tissue. This is often not successful due to the lack of blood supply in this area to maintain the viability of the fat cells. Subcision (subcutaneous release of th...
It is incredibly common to not experience symptoms at all with any of the STDs you may have been exposed to – so, just because what’s on your body does not resemble what’s in the STD photos, it does not mean you are STD negative, and it does mean you do not have what is list...
Under the microscope, this black core is actually bright red and constitutes the larval stomach, which is full of digesting blood from its diet. Flea pupae or cocoons are rarely seen by owners because they are located in the pet's bedding or elsewhere in the environment (e.g. pupal fleas...
Red blood cells carry oxygen to different areas of the body. Plasma is a watery fluid that actually makes up more than half of the liquid that most people call blood. This salty fluid is of extreme importance because it is the substance in which the body's erythrocytes, leukocytes and plat...
Gram stain (special staining of a sample prior to examination under a microscope) to identify bacteria types; Tzanck prep to look for herpes virus under the microscope; skin biopsy (small skin sample or scraping sent for microscopic examination); patch test to determine contact allergies; rashes ...
Your doctor can usually diagnose psoriasis by checking your skin, scalp, and nails. They might need to take a sample of your skin cells and look at them under a microscope to confirm the diagnosis. If you have swelling and pain in your joints, your doctor may also order blood tests and...
Scabies can mimic other skin conditions, such as folliculitis. To make a definitive diagnosis, a doctor will need to scrape the affected skin and examine it under a microscope for evidence of infestation.13 The treatment of scabies involves the use of 5% permethrin cream or lotion, often in ...
Objects at the smallest scale — atoms and many molecules — are smaller than the wavelength of visible light. This means they arebelow the theoretical limitof what can be seen, even with the most powerful light microscope. So researchers experimentally determine the structures of molecules using ...