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What is the functionof the vascular phase in the acute inflammatory process:?
Vasodilation of the small blood vessels at the site of iniury.in leaking into tissue spaces and causes swelling and pain
What is the vascular effect of histamine released from mast cells?
Histamine released from mast cells primarily causes vasodilation and increased vascular permeability. This leads to the widening of blood vessels, resulting in increased blood flow to the affected area, which contributes to redness and swelling. Additionally, the increased permeability allows proteins and fluids to leak into surrounding tissues, facilitating the inflammatory response. These effects are crucial in the body's response to allergens and infections.
Does mycobacterium tuberculosis produce an exotoxin?
No, Mycobacterium tuberculosis does not produce exotoxins. It mainly causes disease through its cell wall components and induces an inflammatory response in the host.
Why is there pain in inflammatory response?
In some diseases, the immune system inappropriately triggers a response when there are no foreign substances to fight off. The immune system causes damage to its own tissues. The body responds as if the tissues are infected or abnormal.
What immunoglobulin is associated with a hypersensitivity reaction?
IgE is the immunoglobulin associated with hypersensitivity reactions, such as allergies. When an allergen triggers the production of IgE antibodies, it can lead to a rapid immune response that causes symptoms like hives, itching, and even anaphylaxis.
What causes the redness and swelling associated with an inflammatory response?
During the inflammatory response, there is vasodilataion, that increases blood flow to the particular region. Increased number of blood cells, along with the sluggish blood flow, causes the region to appear red. Local substances produced in response to inflammation (prostaglandins and leukotrienes), mainly metabolites of the arachidonic acid metabolism, cause the swelling.
The chemical released by white blood cells and causes redness and swelling?
The chemical released by white blood cells that causes redness and swelling is called histamine. Histamine is a key player in the inflammatory response and is responsible for dilating blood vessels and increasing blood flow to the affected area, leading to redness and swelling.
What causes capillaries to dilate during inflammatory response?
Histamine
What is the difference between inflammatory response and inflammatory disease?
An inflammatory diseases is an ailment that causes inflammation is some body organ, like gastroenteritis. An inflammatory response is a vulgar, posturing, or flippant answer to a question or challenge.
Which non hormonal chemical messengers is secreted by mast cells and contributes to the inflammatory response?
Histamine is the non-hormonal chemical messenger secreted by mast cells that contributes to the inflammatory response. It causes vasodilation, increased vascular permeability, and smooth muscle contraction, leading to symptoms like redness, swelling, and itching.
What is the relationship between swelling and edema?
swelling = blood moving to an area due to the inflammatory response. edema= fluid leaking from the blood vessels into surrounding tissues and creating swelling that is located in the interstitial space.
What is inflammation of the uvea that causes swelling and irritation?
Uveitis is the inflammation of the uvea, which is the middle layer of the eye. It can cause swelling, redness, pain, and irritation in the eye. Uveitis can be associated with various underlying conditions and may require treatment with anti-inflammatory medications.
What happens during inflammation?
During inflammation, blood vessels dilate to allow more blood and immune cells to reach the affected area. This causes redness and swelling. Immune cells release chemicals that help to fight off pathogens and repair damaged tissue. Pain and heat may also be present at the site of inflammation.
What causes minor swelling and twitching of lip?
There are a number of causes for minor swelling and twitching of lips. In most cases, this is associated with stress or certain allergies.
How does bacterial infection causes ulcer?
Helicobacter pylori is the bacteria associated with some ulcers. The bacteria form colonies in the lining of the stomach or the duodenum. This causes an inflammatory response, which leads to an increase in acid secretion. That can ultimately cause ulceration.
How would applying ice to a wounded area to reduce blood flow to the area affect the inflammatory response?
Cold causes things to slow down. Applying ice reduces the amount of blood in an area of the skin, causing less swelling.
What causes irritation and swelling after an ant bite?
Irritation and swelling after an ant bite are primarily caused by the body's immune response to venom injected by the ant. The venom contains proteins that can trigger an inflammatory reaction, leading to the release of histamines and other chemicals that cause redness, swelling, and itching. Additionally, individual sensitivity to the venom can vary, influencing the severity of the reaction.
