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opencc-by-4.0Nov 2014View details →

Figure 3 in Toxoplasmosis in a bar-shouldered dove (Geopelia humeralis) from the Zoo of Clères, France

Figure 3. Toxoplasma gondii in a bar-shouldered dove, lung. Two tachyzoites enclosed in a parasitophorous vacuolar membrane (pvm). Note conoid (co), micronemes (mn), rhoptries (ro) with honey-combed contents, and a nucleus (nu) in each tachyzoite. The parasitophorous vacuole has membranous tubules. Transmission electron microscopy.

opencc-by-4.0Nov 2014View details →

Figure 2 in Toxoplasmosis in a bar-shouldered dove (Geopelia humeralis) from the Zoo of Clères, France

Figure 2. Toxoplasma gondii in a bar-shouldered dove, lung. Note a tachyzoite with dividing nucleus (arrow) and individual tachyzoites (arrowheads). H&E stain.

opencc-by-4.0Nov 2014View details →

Figure 1 in Toxoplasmosis in a bar-shouldered dove (Geopelia humeralis) from the Zoo of Clères, France

Figure 1. Toxoplasma gondii in a bar-shouldered dove, lung. Note the necrotic process. There are numerous intralesional tachyzoites but non-visible at this magnification. H&E stain.

opencc-by-4.0Aug 2015View details →

Fig. 1 in Fatal systemic toxoplasmosis in Valley quail (Callipepla californica)

Fig. 1. Toxoplasmosis in Valley quail. (A) Heart with whitish areas (arrow). (B) Lungs diffusely red and consolidated (arrow) and splenomegaly (arrowhead). Liver (C) and heart (D) with multifocal to coalescent severe necrosis associated with Toxoplasma gondii tachyzoites (arrows) (H&E stain). Toxoplasma-positive immunohistochemistry in liver (E) and bone marrow (F). Streptavidine-biotine ligated to peroxidase (Bars 100 μm).

opencc-by-4.0Dec 2013View details →

Fig. 2 in Wildlife disease ecology in changing landscapes: Mesopredator release and toxoplasmosis

Fig. 2. Map of Tasmania showing blood collection sites for the three native carnivore species and the introduced feral cat. Places identified are those referred to in the text.

opencc-by-4.0Dec 2013View details →

Fig. 1 in Wildlife disease ecology in changing landscapes: Mesopredator release and toxoplasmosis

Fig. 1. Map of Tasmania showing average cat densities from individual spotlighting districts over 8 years and blood collection sites for the Tasmanian pademelon. Positive T. gondii sites are those where at least one sample tested positive to IgG antibodies. Negative sites are those where no evidence of exposure to T. gondii was found in any sample.

opencc-by-4.0Dec 2013View details →

Fig. 3 in Wildlife disease ecology in changing landscapes: Mesopredator release and toxoplasmosis

Fig. 3. Prevalence of IgG antibodies of Tasmanian mammals to T. gondii by trophic level; n represents the total number of samples tested. Standard error bars are shown.

Fig. 9 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 9. Similarity of Toxoplasma gondii from Little Penguins with representative strains from Archetypals I, II, and III in the B1 gene. A: shows polymorphisms at the 366 nucleotide. B: shows polymorphisms at the 504 nucleotide. Declaration of competing interest

Fig. 6 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 6. (And detail) – four parasites in a cyst within the cytoplasm of a host cell, spleen (x3810, bar = 2 μm) Image left: E - erythrocyte, Ph - phagocyte, P - protozoa; image right (detail): N - nucleus.

Fig. 5 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 5. Splenic impression smear, erythrocytes (E), splenic stromal cells (S) and numerous protozoa (arrows) (Wright's Giemsa stain, 1000x).

Fig. 4 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 4. Liver, intact and necrotic hepatocytes and numerous protozoa (arrows), free and within cysts (5 μm section, Martius Scarlet Blue stain, 400x). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)

Fig. 11 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 11. Liver, staining of protozoan antigen in intact and necrotic hepatocytes (x400 Toxoplasma polyclonal antibody IHC).

Fig. 3 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 3. Liver, necrotic focus (the area of relative pallor, within which numerous organisms were identifiable) (5 μm section, Haematoxylin and Eosin stain, 100x).

Fig. 10 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 10. Liver, several foci of brown staining indicate Toxoplasma antigen within a necrotic focus (x100, Toxoplasma polyclonal antibody IHC). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)

opencc-by-4.0Jan 2021View details →

Ocular Toxoplasmosis Fundus Images Dataset

The Ocular Toxoplasmosis (OT) Fundus Images Dataset contains a set of eye images collected at the Hospital de Clínicas and Hospital General Pedriático Acosta Ñu medical centers from Asunción, Paraguay. The dataset is used in the generation of models for automatic detection of ocular toxoplasmosis. Used as a tool for OT diagnosis, a predictive model could save time, help diagnose atypical cases and also assist ophthalmologists, being particularly useful for those with less experience. Dataset structure: <pre><code>+-- Ocular_Toxoplasmosis_Data | +-- masks | +-- images | +-- dataset_labels.csv</code></pre> The dataset contains two major folders, one with all the collected images and another one with the masks for lesions of eyes images with ocular toxoplasmosis. The dataset also includes a csv file with the labels for each image: healthy, active and inactive lesions, this two being non healthy. Notes about the masks: the dataset includes masks for all non healthy images (active and inactive lesions). In order to differentiate the active lesions which are less common that the inactive ones, the mask includes the suffix -a for all the masks of active lesions.

Fig. 8 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 8. Dividing protozoan forming merozoites (x15000, bar = 1 μm).

Fig. 7 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 7. Protozoan with apical complex (x15000, bar = 1 μm).

Fig. 2 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 2. Enlarged spleen with speckled tan areas of discolouration.

Fig. 1 in Fatal toxoplasmosis in Little Penguins (Eudyptula minor) from Penguin Island, Western Australia

Fig. 1. Enlarged liver with multiple, pinpoint cream to white spots.