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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/20454


Title: Ultrastructure of endogenous stages of Eimeria ninakohlyakimovae Yakimoff & Rastegaieff, 1930 Emend. Levine, 1961 in experimentally infected goat
Authors: Vieira, Luiz S.
Lima, José D.
Ribeiro, Mucio F. B.
Bozzi, Ivete A.
Camargos, Elizabeth R. S.
Keywords: goat - Eimeria ninakohlyakimovae - ultrastructure - Coccidia - Eimeria
Issue Date: 31-Dec-1997
Publisher: Fundação Oswaldo Cruz, Fiocruz
Citation: Memórias do Instituto Oswaldo Cruz (ISSN: 1678-8060) Vol 92 Num 4
Abstract: The ultrastructure of endogenous stages of Eimeria ninakohlyakimovae was observed in epithelial cells of cecum and colon crypts from a goat experimentally infected with 2.0 x 10^5 oocysts/kg. The secondary meronts developed above the nucleus of the host cell. The nucleus first divides and merozoites then form on the surface of multinucleated meronts. Free merozoites in the parasitophorous vacuole present a conoid, double membrane, one pair of rhoptries, micronemes, micropore, anterior and posterior polar ring, a nucleus with a nucleolus and peripheral chromatin. The microgamonts are located below the nucleus of the host cell and contain several nuclei at the periphery of the parasite. The microgametes consist of a body, a nucleus, three flagella and mitochondria. The macrogamonts develop below the nucleus of the host cell and have a large nucleus with a prominent nucleolus. The macrogametes contain a nucleus, wall-forming bodies of type I and type II. The young oocysts present a wall containing two layers and a sporont.
URI: http://hdl.handle.net/1807/20454
Other Identifiers: http://www.bioline.org.br/abstract?id=oc97096
Rights: Copyright 1997 Fundacao Oswaldo Cruz
Appears in Collections:Bioline International Legacy Collection

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