STEEPLECHASE - BACTERIA & FUNGI Flashcards
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Mycobacteria - Ziehl-Neelsen stain, stains cell wall
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Mycobacteria - bacilli
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Granuloma of tuberculosis - due to Mycobacterium bovis / Mycobacterium tuberculosis, respiratory lesion
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Mycobacterium marinum (‘Fish finger’) - mycobacteriosis
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Mycobacterium leprae - mycobacteriosis
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Mycobacterium avium paratuberculosis (Johne’s) - mycobacteriosis
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Mycobacterium ulcerans - mycobacteriosis
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Epithelioid macrophages - lots of cytoplasm + indistinct borders (mycobacteria pathogenesis)
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Multinucleated giant cell - usually Langhans type (nuclei ar periphery) = horse-shoe shape (mycobacteria pathogenesis)
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Tuberculoid granuloma (mycobacteria)
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Tuberculoid granuloma
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Mycobacterium bovis - respiratory lesion
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Mycobacterium bovis - respiratory lesion, tubercules eroded into pleura and spread into pleural cavity
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Mycobacterium bovis - generalised lesion - haematogenous spread, spleen - embolic, miliary TB white foci
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Mycobacterium bovis - cervid lesion, superficial lymphadenitis that drains to skin surface = suppurative granulomatous inflammation
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Mycoplasma sp.
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(Pigs)
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(Pigs)
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Mycoplasma hyopneumoniae (pigs)
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Mycoplasma bovis
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Mycoplasma bovis -
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Mycoplasma ovipneumoniae - hyaline scars
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Mycoplasma caprricolum spp. capripneumoniae
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Mycoplasma caprricolum spp. capripneumoniae
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Chronic bronchopneumonia, mycoplasma ovipneumoniae - cranioventral distribution, grey - tan − Heavy lungs − Rubbery consistency
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Hyphae (filaments) (fungi)
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Yeasts (fungi)
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Septate - divisions/intervals, type of hyphae (fungi)
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Non-septate hyphae (fungi)
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Budding - new yeast forming off original yeast + going externally (outside) (fungi)
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Endosporulation - bigger cust w/ little yeasts budding inside, same structure + enlarge into centre (fungi)
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Broad-based budding (fungi)
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Narrow-based budding (fungi)
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Pigmented fungi
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Non-pigmented fungi, purple = background stain of H&E
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Mycotic rhinitis due to Aspergillus fumigatus (fungi)
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Purulent/haemorrhagic exudate due to mycotic rhinitis , Aspergillus fumigatus (fungi)
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(fungi)
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Necrotising colitis due to pulmonary aspergillosis (fungi)
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Embolic pneumonia (fungi)
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(fungi)
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Blastomyces dermatitidis (fungi)
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(fungi)
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Osteomyelitis due to Blastomyces dermatitidis (fungi)
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Cryptococcosis - yeasts in tissues, thick capsule = ‘soap bubble’ appearance (fungi)
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Cryptococcosis (fungi)
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Draining skin nodules (cat) due to Cocccidiomycosis (Valley Fever) (fungi)
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Sporangia - coccidiodomycosis (fungi)
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Coccidioidomycosis - nodular to miliary lesions in the lungs (fungi)
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(fungi)
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(fungi)
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(fungi)
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Ethmoid conchae ulcerative lesion due to Entomopthoromycosis (fungi)
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Unilateral soft, pink nasal poly, bleeds easily due to Rhinosporidium seeberi (aquatic protist parasite)
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(fungi)
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(fungi)
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Fish-eye appearance - lots of agents within neutrophils, Histoplasma capsulatum, lungs (fungi)