3
Match List - I with List - II :
Choose the correct answer from the options given below :
|
List - I
|
List - II
|
||
|---|---|---|---|
| A | Cigar-shaped macroconidia Cigar-shaped macroconidia | I | T verrucosum T verrucosum |
| B | Chlamydoconidia typically in chains Chlamydoconidia typically in chains | IV | 7, rubrum 7, rubrum |
| C | Substrate hyphae form favic chandeliers Substrate hyphae form favic chandeliers | III | 7. mentagrophytes 7. mentagrophytes |
| D | Pencit-like (long with parallel sides) macroconidia Pencit-like (long with parallel sides) macroconidia | IV | T. shoenleinii T. shoenleinii |
EXPLANATION
Dermatophytes
- Matching Dermatophyte Diagnostic Morphology with Species:
- Cigar-shaped macroconidia $\longrightarrow$ (III) Trichophyton mentagrophytes: Produces abundant spherical microconidia in clusters and thin-walled, cigar-shaped to clavate macroconidia with 3--6 cells.
- Chlamydoconidia typically in chains $\longrightarrow$ (I) Trichophyton verrucosum: The causal agent of cattle ringworm; characterized by chains of large chlamydospores on thiamine/inositol-enriched media.
- Substrate hyphae form favic chandeliers $\longrightarrow$ (IV) Trichophyton schoenleinii: Characteristic antler-like, branching hyphal terminal tips resembling chandeliers (favic chandeliers), diagnostic of favus in birds and mammals.
- Pencil-like (long with parallel sides) macroconidia $\longrightarrow$ (II) Trichophyton rubrum: Characterized by long, narrow, thin-walled pencil-shaped macroconidia and wine-red reverse pigment on Sabouraud dextrose agar.
- Conclusion: (A) - (III), (B) - (I), (C) - (IV), (D) - (II) (Option 1).
Correct option: (1) (A) - (ill), (B) - (1), (C) - (IV), (B) - (I)
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