ASCP Medical Laboratory Technician (MLT) Practice Exam 2025 – The All-in-One Guide to Exam Success and Mastery!

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What is the appearance of Sporothrix in culture?

Filamentous hyphae

Daisy-like clusters

The appearance of Sporothrix in culture is characterized by filamentous hyphae, which reflect the typical morphology of mold fungi. Sporothrix schenckii, the pathogenic species that typically causes sporotrichosis, initially forms branched hyphae with a distinct, dimorphic pattern. In culture, it presents as a mold at temperatures around 25°C and shows growth resembling a filamentous structure.

In the initial stages, the colonies may have a white to light yellow appearance, but as they mature, they can turn dark due to the formation of conidia. Recognizing this filamentous growth is crucial in laboratory diagnostics, as it differentiates Sporothrix from other fungi that may present with differing morphologies, such as yeast-like forms or chlamydospores. Understanding these characteristics aids in accurate identification and proper treatment options for fungal infections.

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Yeast-like cells

Chlamydospores

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