Final answer:
Onychomycosis, a fungal nail infection, can manifest as whitish patches or streaks within the nail plate. It is caused by dermatophytes or Candida spp, leading to nail discoloration and brittleness.
Explanation:
Onychomycosis, a fungal infection of the nail, presents as either whitish patches that can be scraped off the nail's surface or long whitish or pale yellowish streaks within the nail plate. It is commonly known as onychomycosis and is caused by dermatophytes or Candida spp. These fungi break down keratin, causing the nails to become brittle and discolored.
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