Answer:
Kupffer cells, also known as stellate macrophages due to their particular structure while viewed under a microscope, were first identified by scientist Karl Wilhelm von Kupffer, after whom the cells were named, in 1876.
These cells, whose origin is in the yolk sack during fetal development, later on move to the liver where they will stay and further differentiate into their mature versions.
These cells are part of the liver cells, and are found particularly on the walls of the sinusoids, where they perform their two most important tasks. First, these cells are part of the immune system, as they are essentially macrophages. However, their role is pretty unique, as they are responsible not just for phagocytosis of invading bacteria, and other pathogens, and initiating immune responses, but also, this cell plays a role in decomposing red blood cells who are dying, and taking up the hemoglobin from them to further break that into reusable globin, and the heme group, from which iron is further extracted to be re-used and also to create bilirrubin, a part of bile.
Finally, these cells have been found to be connected to hepatic cirrhosis, as in their process of detoxifying ethanol, they produce toxins that force the liver cells to produce collagen, and thus to become fibrous.
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The best category for each medical term are:
- PET scan (for positron emission tomography)- diagnostic tool.
- An electrocardiogram -diagnostic tool.
- Gunther’s disease - disorder.
<h3>What are electrocardiogram?</h3>
An electrocardiogram (ECG) is known to be a kind of a test that can be used to be able to examine a person's heart's rhythm as well as their electrical activity.
Note that it is one that has Sensors attached to the human skin and this is said to be used to know the electrical signals made by the heart each time it said to beats.
A PET scan is known to be a kind of an effective way to help know a lot of conditions such as cancer, heart disease and others.
Therefore, The best category for each medical term are:
- PET scan (for positron emission tomography)- diagnostic tool.
- An electrocardiogram -diagnostic tool.
- Gunther’s disease - disorder.
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Answer:
The integumentary system is susceptible to a variety of diseases, disorders, and injuries. These range from annoying but relatively benign bacterial or fungal infections that are categorized as disorders, to skin cancer and severe burns, which can be fatal. In this section, you will learn several of the most common skin conditions.
Explanation:
