Both Plasmodium vivax and P. ovale can form dormant ______________.

검증된 단계별 안내

Identify the key organisms mentioned: Plasmodium vivax and Plasmodium ovale, which are species of malaria-causing parasites.

Recall the life cycle of these Plasmodium species, focusing on stages that allow the parasite to persist in the host without causing immediate symptoms.

Understand that both P. vivax and P. ovale can form a dormant liver stage, which is a special form of the parasite that can remain inactive for extended periods.

Recognize that this dormant stage is called a 'hypnozoite,' which can reactivate later to cause relapse of malaria.

Conclude that the blank should be filled with 'hypnozoites,' the dormant forms of these Plasmodium species.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Hypnozoites

Hypnozoites are dormant liver-stage forms of certain Plasmodium species, including P. vivax and P. ovale. They can remain inactive in hepatocytes for weeks to months before reactivating, causing relapse of malaria. Understanding hypnozoites is crucial for treatment and prevention of recurrent infections.

Life Cycle of Plasmodium

The Plasmodium life cycle involves stages in both the mosquito vector and human host, including liver (hepatic) and blood stages. The liver stage includes the formation of schizonts and, in some species, dormant hypnozoites. Knowledge of this cycle helps explain how malaria infection persists and spreads.

Malaria Relapse Mechanism

Relapse in malaria occurs when dormant hypnozoites reactivate and produce blood-stage parasites, causing symptoms to reappear without a new mosquito bite. This mechanism is specific to P. vivax and P. ovale, making it important to target hypnozoites with specific drugs like primaquine to prevent relapse.