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・ Micropolypodium aphelolepis
・ Micropolyspora
・ Micropond
・ Microponics
・ Micropora
・ Microporellidae
・ Microporellus
・ Micropeziza
・ Microphaea
・ Microphalera
・ Microphalera grisea
・ Microphallus
・ Microphallus basodactylophallus
・ Microphallus nicolli
・ Microphallus piriformes
Microphallus turgidus
・ Microphestia animalcula
・ Microphilia
・ Microphilypnus
・ Microphis
・ Microphis brachyurus lineatus
・ Microphis ocellatus
・ Microphisa
・ Micropholcommatidae
・ Micropholcus
・ Micropholcus fauroti
・ Micropholis
・ Micropholis (amphibian)
・ Micropholis brochidodroma
・ Micropholis casiquiarensis


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Microphallus turgidus : ウィキペディア英語版
Microphallus turgidus

''Microphallus turgidus'' is a widespread and locally common undescribed flatworm parasite in New Zealand lakes and streams. Multilocus allozyme genotype data show that ''Microphallus turgidus'' is a single outbred species with high levels of gene flow among South Island populations. ''Microphallus turgidus'' is commonly found in the abdominal muscles of grass shrimp.
== Life cycle ==
''Microphallus turgidus'' exclusively uses ''Potamopyrgus antipodarum'' as the intermediate host, and the final hosts are waterfowl. Embryonated ''Microphallus turgidus'' eggs are ingested from sediment and hatch in the snail's gut, penetrate the intestine, and migrate to the gonads and digestive gland. Following successful establishment, the parasite then undergoes asexual reproduction, replacing much of the host's reproductive tissue and digestive gland, which results in complete sterilization of the snail. The first visible parasite developmental stages (blastocercariae) are detectable after approximately 75 days post-exposure and metacercariae are common by 90 days post-exposure at 16 °C in the lab. The life cycle is completed when snails containing metacercariae are consumed by waterfowl.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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