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timama [110]
3 years ago
15

What are Kupffer cells and their actions?

Medicine
1 answer:
professor190 [17]3 years ago
6 0

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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Directions: Read the statement carefully. Identify the coping techniques that are used in the given coping skills.
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Coping means to get used to a situation & to deal with it.

The coping skills used here are :-

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A group of occupational-related lung diseases characterized by inflammation, infection, and bronchitis, caused by inhaling subst
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A group of occupational-related lung diseases characterized by inflammation, infection, and bronchitis, caused by inhaling substances in the workplace is called <u>Occupational asthma.</u>

<h3>Occupational asthma:</h3>

A specific form of asthma called occupational asthma is brought on by inhaled irritant exposure during work. Since occupational asthma frequently has a reversible course, avoiding the triggers may cause the symptoms to go away.

Inhaling compounds referred to as triggers might cause asthma symptoms in people with sensitive airways. Several industrial chemicals can cause asthma symptoms, which can result in occupational asthma. The most frequent triggers include chemicals, fungi, animal dander, wood dust, grain dust, or grain dust.

Symptoms of occupational asthma include wheezing, shortness of breath, runny nose, nasal congestion, eye discomfort, and tightness in the chest. When exposed to the irritant(s) at work, these symptoms may develop worse.

Learn more about Occupational asthma here:

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