Images of immature stages of flukes (Trematoda). Images of egg (eggs), miracidium (miracidia), sporocyst (sporocysts), redia (rediae), cercaria (cercariae), and metacercaria (metacercariae).

Download scientific diagram | Drawings of Cercaria margaritensis metacercariae. (A) An M1 metacercaria containing M2 metacercariae at various stages of development. (B) A young M2 …

Metacercaria specimens of the genus Opechona (Trematoda: Digenea: Lepocreadiidae) are described parasitizing "coelenterates" (scyphomedusae and ctenophores) from Southeastern …

Mesocercaria: They are involved in an encysted stage either on vegetation or in a host tissue on the second intermediate host. They have a hard shell and are also involved in the trophic …

metacercariae in the digestive gland, pericardium, head-footregion or on the shell. Scale in draw¬ ings of trématode larvae: 0.1 mm. Scale in snail drawing: 1.0 mm.

Metacercariae, the infective larvae of Paragonimus species, reside in freshwater crustaceans (crabs, crayfishes). The prevalence and the intensity of metacercarial infection in crabs can be …

The cercariae encyst as metacercariae in tissues of a freshwater or brackish-water fish (2nd intermediate host). 5. The definitive host becomes infected by ingesting raw, undercooked, or …

Metacercarial viability can be assessed by checking the refractile appearance of secretory granules through microscopy and the movements of juveniles within cysts. Metacercariae are …

(B) Drawing of a metacercaria. The metacercariae in freshwater fish attain infectivity to mammalian hosts, human, rabbits and rats 23–30 days after cercarial infection. The fish hosts …

Many cercariae are produced from each redia. The cercariae are released from the snail and encyst as metacercariae in the tissues of a suitable fresh/brackish water fish (second …