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In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of stages of the life of an organism, that begins as a zygote, often in an egg, and concludes as an adult that reproduces, producing an offspring in the form of a new zygote which then itself goes through the same series of stages, the ...
The sporulation time of this parasite's egg is usually 1–4 days, and the entire life cycle takes about 9–10 days. [7] The infective stage found in stool is the mature oocyst. [1] The mature oocyst for Cystoisospora belli can remain infective in the environment for months. [8]
The pathogen is an obligate biotroph meaning that each stage of its cycle is dependent on having a living host. The direction between reproducing sexually or asexually is dependent on the availability of a host. Sexually, the life cycle starts when basidiospores land on flax leaves and form pycnium during December and through January. [2]
Alternation of generations – Beta oxidation – Bioelectricity – Biological pest control – Biological rhythm – Bipolar disorder – Cardiopulmonary resuscitation – Calvin–Benson cycle – Cell cycle – Chronobiology – Citric acid cycle – Circadian rhythm – Clinical depression – Digestion – Ecology – Feedback – Infradian rhythm - Life cycle – List of biochemistry ...
The life cycle section presents the Fortaleza stages from the flea's developmental perspective. The discussion is specific to symptoms of human infection. The clinical presentation in humans follows the Fortaleza Classification as the stage of infection will determine the symptoms present.
For acute schistosomiasis (AS), praziquantel is ineffective on schistosomulae after 7 days and does not prevent the chronic phase of the disease. Too early of treatment can worsen symptoms of AS. In some cases, this worsening of symptoms can be life-threatening by causing encephalitis related to vasculitis, myocarditis, or pulmonary events.
Plasmodiophora brassicae life cycle consists of two main phases. Phase one is a sporangial stage which will lead to a short-lived zoospore. Stage two leads to a sporogenic phase which creates persistent resting spores. [4] Within the two phases P. brassicae has three distinct stages within its lifecycle. Starting with survival within the soil ...
The life cycle of malaria parasites: Sporozoites are introduced by a mosquito bite. When they reach the liver, they multiply into thousands of merozoites. The merozoites infect red blood cells and replicate, infecting more and more red blood cells. Some parasites form gametocytes, which are taken up by a mosquito, continuing the life cycle.
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