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Cornea transplant in humans is almost never rejected because
- a)Latest immunosuppressant drugs are successful
- b)The tissue is resistant to bacterial attack
- c)Cornea is an avascular part of the body
- d)The cells form a keratinised dead layer
Correct answer is option 'C'. Can you explain this answer?
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Cornea transplant in humans is almost never rejected becausea)Latest ...
Cornea Transplant Rejection and Resistance
Cornea is an Avascular Part of the Body
- The cornea is the transparent, outermost layer of the eye that plays a crucial role in focusing light.
- Unlike most other tissues in the body, the cornea is avascular, meaning it lacks blood vessels.
- This avascularity reduces the risk of immune rejection because the immune system primarily targets foreign substances carried by blood vessels.
- Without blood vessels, the cornea is less likely to trigger an immune response when transplanted.
Immune Response in Cornea Transplant
- When a cornea transplant is performed, the donor cornea is carefully matched to the recipient to minimize the risk of rejection.
- Even though the cornea lacks blood vessels, it does contain immune cells that can potentially mount an immune response.
- However, the risk of rejection is significantly lower compared to other organ transplants due to the avascular nature of the cornea.
Importance of Avascularity in Cornea Transplant
- The absence of blood vessels in the cornea also helps in maintaining clarity and transparency, which are essential for good vision.
- The lack of blood supply means that the cornea receives its nutrients and oxygen directly from the tear film on the surface of the eye.
- This unique feature of the cornea contributes to its resistance to rejection and makes cornea transplants highly successful in most cases.
In conclusion, the avascularity of the cornea is a key factor in the low rejection rates observed in cornea transplants. This unique characteristic helps reduce the risk of immune response and contributes to the overall success of the procedure in restoring vision for individuals in need of a cornea transplant.
Cornea is an Avascular Part of the Body
- The cornea is the transparent, outermost layer of the eye that plays a crucial role in focusing light.
- Unlike most other tissues in the body, the cornea is avascular, meaning it lacks blood vessels.
- This avascularity reduces the risk of immune rejection because the immune system primarily targets foreign substances carried by blood vessels.
- Without blood vessels, the cornea is less likely to trigger an immune response when transplanted.
Immune Response in Cornea Transplant
- When a cornea transplant is performed, the donor cornea is carefully matched to the recipient to minimize the risk of rejection.
- Even though the cornea lacks blood vessels, it does contain immune cells that can potentially mount an immune response.
- However, the risk of rejection is significantly lower compared to other organ transplants due to the avascular nature of the cornea.
Importance of Avascularity in Cornea Transplant
- The absence of blood vessels in the cornea also helps in maintaining clarity and transparency, which are essential for good vision.
- The lack of blood supply means that the cornea receives its nutrients and oxygen directly from the tear film on the surface of the eye.
- This unique feature of the cornea contributes to its resistance to rejection and makes cornea transplants highly successful in most cases.
In conclusion, the avascularity of the cornea is a key factor in the low rejection rates observed in cornea transplants. This unique characteristic helps reduce the risk of immune response and contributes to the overall success of the procedure in restoring vision for individuals in need of a cornea transplant.
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Cornea transplant in humans is almost never rejected becausea)Latest ...
Cornea has no blood supply and can therefore be transplanted successfully.
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Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer?
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Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer?.
Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer?.
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Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Cornea transplant in humans is almost never rejected becausea)Latest immunosuppressant drugs are successfulb)The tissue is resistant to bacterial attackc)Cornea is an avascular part of the bodyd)The cells form a keratinised dead layerCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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