Trematôdeos digenéticos (echinostomatidae) do estado de Goiás – Brasil
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Data
1974-03
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Ruy de Souza Lino Junior
Resumo
(Morphological and bíological aspects
of the sporocyst of Echinostoma
erraticum Lutz, 1924 (Mendeheim,
1940) Komma, 1972.)
19 mollusks Biomphalaria stramínea
(Dunker, 1848) from Goiânia, Brazil
were infected experimentally with
Echinostoma erraticum Lutz, 1924
(Mendeheim, 1940) Komma, 1972
For the first time the morphologícal,
structural and biologícal characteristícs
of sporocyst of this trematode were
studied in the course of 30 day, starting
with sporocysts with about 10
days evolution.
The sporocysts develop on the pulmonary
vein next to the heart of the
mollusk (ventricle). On the lOth day they presented well delimitcd germinatíve
masses; the first rédia within a
sporocysts was observed on lhe 12th
day; on the 14th day the first frcc
redía was seen in the pericardiac arca.
The sporocysts presented, at the utmost,
three formed rédias simultaneously.
18 days after infection of the
snails some exhausted sporocysts were
found while other showed signs of
involution, consisting of some changes
in shape, absence of germinative
masses, accumiilation of progressively
dark granules, increasing progressiva.
On the 40th day only exhausted sporocysts
were left.
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Citação
KOMMA, Margarida Dobler. Trematôdeos digenéticos (echinostomatidae) do estado de Goiás – Brasil. Revista de Patologia Tropical, Goiânia, v. 3, n. 1, p. 57- 63, jan./mar. 1974. Disponível em: < https://www.revistas.ufg.br/iptsp/article/view/22624/13478>.