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What is In which of the following conditions Parakeratosis most frequently occurs – and explain in detail?
Normally, nuclei disappear in stratum corneum. Retention of nuclei within the cells of stratum corneum is referred to as parakeratosis.
Parakeratosis is seen in -


Normally        →  Mucous membrane of mouth and vagina.
Disorders       → Actinic keratosis, Psoriasis, Squamous cell carcinoma, Seborrheic dermatitis, Eczema. Don't get confused with option b; It is seborrheic keratosis, not seborrheic dermatitis. Seborrheic keratosis (also known as senile wart) is a noncancerous benign growth that originates in keratinocytes, seen in old people.