In which of the following conditions Parakeratosis most frequently occurs –
Actinic keratoses
Seborrheic keratoses
Molluscum contagiosum
Basal cell carcinoma
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.