"Alloantigens" Pronounce,Meaning And Examples
"Alloantigens" Natural Recordings by Native Speakers
"Alloantigens" Meaning
Alloantigens are substances that trigger an immune response when they are encountered by an individual's immune system, particularly in the context of transplantation. These antigens are found on the surface of cells or tissues from another individual (allogeneic), and they are recognized as foreign. The immune system can respond to alloantigens by producing antibodies or activating immune cells, which can lead to rejection of transplanted organs or tissues. Alloantigens are the basis for the concept of blood typing and compatibility testing in transfusions and transplants.
"Alloantigens" Examples
1. In organ transplantation, alloantigens present on the donor's tissue can trigger an immune response in the recipient, leading to rejection.
2. Alloantibodies are produced when the immune system recognizes alloantigens as foreign, as seen in blood transfusions where incompatible blood groups are mismatched.
3. Hemolytic disease of the newborn is an example of an immune reaction caused by maternal alloantibodies targeting fetal red blood cells due to incompatibility in blood group antigens.
4. In bone marrow transplantation, the recipient's immune system may attack the donor's cells because of alloantigens present on their surface, necessitating immunosuppressive therapy.
5. Alloantigen-driven immune responses are critical for the development of allograft rejection in solid organ transplants, highlighting the importance of matching donors and recipients to minimize this risk.
"Alloantigens" Similar Words
Alliteration
Alliteration is a literary device characterized by the repeated use of the same initial sound in several words in close proximity, often in a phrase or sentence. It creates a rhythmic or emphatic effect and can add emphasis, musicality, or create a specific mood in writing.
Alliterations
Alliteration is a literary device characterized by the repetition of initial consonant sounds in successive or closely connected words, creating a rhythmic or emphatic effect. It is often used to add emphasis, create a musical quality, or draw attention to certain words in a phrase or sentence. For example: "Peter Piper picked a peck of pickled peppers."
Alliterative
Alliterative refers to the repetition of initial consonant sounds in nearby words, often used for poetic or rhetorical effect. It creates a musical quality and emphasizes certain words or phrases. For example, "Peter Piper picked a peck of pickled peppers" is an alliterative phrase.
Alliteratively
Alliteratively refers to the use of repeated initial consonant sounds in words, often for poetic or rhetorical effect. It is a literary device that creates a pattern of sound and can emphasize certain words or ideas in a phrase or sentence. For example, "Peter Piper picked a peck of pickled peppers."
Alliterator
An alliterator is a literary device where a series of words in a phrase or sentence have consecutive initial letters that are the same, creating a rhythmic or emphatic effect. For example, "Peter Piper picked a peck of pickled peppers."
Allium
Allium is a genus of plants in the onion family, commonly known as onions, garlic, leeks, and chives. These plants have bulbous roots and produce edible leaves, flowers, and bulbs with a pungent flavor. They are widely used in cooking and have various medicinal properties.
Allness
"Allness" is a term that refers to the state of being complete or encompassing everything. It suggests the idea of totality or the absence of any limitations or exclusions. It can be used to describe a sense of unity and interconnectedness, where all aspects or elements are considered as part of a single whole.
Alloantigen
An alloantigen is a substance that triggers an immune response when introduced into an individual's body, particularly when it is recognized as foreign. It is a molecule found on the surface of cells or other substances from another individual of the same species but with different genetic makeup. The immune system distinguishes these alloantigens as non-self and may produce antibodies or activate immune cells against them, which is the basis for organ transplant rejection and some forms of immune-mediated diseases.
Allobroges
Allocasuarina
Allocate
Allocates
Allocating
Allocation
Allocations
Allocative