| 词汇 | encyst |
| 释义 | BETA Examples of encystencyst isn’t in the Cambridge Dictionary yet. You can help! Trophozoites multiply and encyst due to the dehydration of feces. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. From the snail, minute cercariae emerge and swim through pools of water in pasture, and encyst as metacercariae on near-by vegetation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Metacercariae encyst under the scales or in the flesh of fish from fresh or brackish water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The glochidia encyst on the surface of the fish and feed on fish tissue for several weeks. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cercariae next invade the second intermediate host such as crabs or crayfish and encyst to develop into metacercariae within 2 months. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. If the parasites encyst in the open, they will be accidentally ingested by the definitive host, usually a grazing mammal of some sort. There is rapid differentiation in the first 20 days after the infective larvae enter the bowel wall and encyst. Both of these features may be useful adaptations to attachment to a flat substrate to encyst. Such differences may be related to a number of factors including the effects of metal toxicity on cercarial host-finding or the ability to encyst. Snails exposed to 2 and 5 eggs each survived with parasites developing through all stages to encyst as metacercarial cysts (fig. 5). The trophozoites multiply in the small intestine, eventually encyst and are passed in the faeces of infected individuals. These parasites form melanized cutaneous cysts, but also encyst in the eyes, brain, muscle, gills and heart; cysts in the eyes may cause exophthalmus or blindness. Cercariae are released from the snail and encyst on aquatic vegetation or other solid objects in the water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The crawling cercariae penetrate fresh water crabs and encyst in its muscles becoming metacercaria. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They swim about in water until they find plants or other suitable substrata, to which they adhere and encyst to become metacercariae. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As a result, large numbers of metacercariae encyst near base of the hind legs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The zoospores then encyst on the host plant cells, and germinate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Within a few minutes, this zoospore will encyst, germinate and release another zoospore. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The early larval stages of the trematodes then are transmitted into aquatic tadpoles, where the metacercariae (larvae) encyst in developing limb buds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The glochidia encyst on the gills of river chubs where they metamorphose into juveniles and then drop off. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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