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The most popular and one of the principal stains in histology is hematoxylin and eosin stain. It gives us an overview of the tissue and its structure. Hematoxylin binds with basophilic structures – for example DNA and RNA. So we can observe nuclei stained in blue or purple color. Eosin binds to acidophilic substances such as positively charged amino acid side chains. So as the result cytoplasm is pink or orange. All samples in laboratory are stained with H&E. There are several different types of hematoxylins and eosins used in histology which will give us different results.
In this video you will see, how we stain slides with different types of hematoxylins and eosins. Finally, we will compare the results.
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Flexible bronchoscopy is a procedure that allows a clinician to examine the breathing passages (airways) of the lungs (figure 1). Flexible bronchoscopy can be either a diagnostic procedure (to find out more about a possible problem) or a therapeutic procedure (to try to treat an existing problem or condition).
Heart failure, sometimes known as congestive heart failure, occurs when your heart muscle doesn't pump blood as well as it should. Certain conditions, such as narrowed arteries in your heart (coronary artery disease) or high blood pressure, gradually leave your heart too weak or stiff to fill and pump efficiently.
The hip is a "ball-and-socket" joint. In a normal hip, the ball at the upper end of the thighbone (femur) fits firmly into the socket, which is part of the large pelvis bone. In babies and children with developmental dysplasia (dislocation) of the hip (DDH), the hip joint has not formed normally.
Labyrinthitis is a mild, often self-limited condition characterized by vertigo, tinnitus, nausea, and a loss of balance. The disorder often follows a viral illness (eg, influenza). Labyrinthitis may also be caused by trauma, bacterial infection, allergies, benign tumors, and certain medications .